Endometrial Cancer Surgery

Introduction

A diagnosis of endometrial cancer — cancer that starts in the lining of the uterus — can feel sudden and overwhelming. Many women learn of it after investigating abnormal bleeding, especially bleeding after menopause, and the diagnosis is then confirmed by a biopsy of the uterine lining. If you are reading this, you have probably already had that biopsy, met a gynaecologist or gynaecologic oncologist, and are now trying to understand what surgery will involve.

For most women, surgery is the central treatment for endometrial cancer. It removes the tumour, confirms the stage of disease through careful examination of the tissue, and helps decide whether any additional treatment is needed afterwards. Major cancer guidelines — including those from the National Comprehensive Cancer Network (NCCN), the Society of Gynecologic Oncology (SGO), the American College of Obstetricians and Gynecologists (ACOG), and the European Society of Gynaecological Oncology (ESGO) — describe surgery as the foundation of treatment for endometrial cancer that has not spread beyond what can be safely removed.

This guide explains what endometrial cancer surgery is, who it is offered to, the different surgical approaches, how to prepare, what happens during and after surgery, the risks involved, and what life looks like in the months and years that follow. The aim is to help you walk into your next consultation with a clearer picture and better questions.

What Is Endometrial Cancer Surgery?

Endometrial cancer surgery is an operation to remove cancer that has grown in the endometrium, the inner lining of the uterus (womb). For most women, the procedure also removes the entire uterus, the cervix, the fallopian tubes, and both ovaries, and includes an assessment of the lymph nodes in the pelvis and sometimes the abdomen.

The standard operation typically includes:

• Total hysterectomy — removal of the uterus and cervix.
• Bilateral salpingo-oophorectomy — removal of both fallopian tubes and both ovaries.
• Lymph node assessment — either sentinel lymph node mapping (removal of the first lymph nodes that drain the uterus) or a more extensive lymph node dissection.
• Inspection and washings — the surgeon looks carefully throughout the pelvis and abdomen for any sign of spread and may take fluid samples (peritoneal washings) for examination.

The surgery has two equally important purposes. The first is therapeutic: removing the cancer itself, which in many early-stage cases can be all the treatment needed. The second is diagnostic and prognostic: the tissue removed is examined under the microscope to determine the exact stage (how far the cancer has spread) and grade (how aggressive the cells look). This information shapes any further treatment recommendations.

The most common form of endometrial cancer is endometrioid adenocarcinoma, which usually grows slowly and is often caught early. Less common but more aggressive types include serous, clear cell, and carcinosarcoma, which may require a wider operation and additional treatment afterwards.

Why Is Endometrial Cancer Surgery Performed?

Surgery is performed for several connected reasons.

To remove the cancer. Endometrial cancer that is confined to the uterus is often cured by surgery alone. Even when the disease has spread further, removing as much cancer as possible (sometimes called debulking or cytoreduction) usually improves the effectiveness of treatments that follow.

To stage the disease accurately. Imaging tests like MRI and CT scans give a useful picture before surgery, but only direct examination of the uterus, ovaries, lymph nodes, and surrounding tissue can confirm exactly where the cancer is and how deep it has gone. The International Federation of Gynecology and Obstetrics (FIGO) staging system, which most cancer guidelines use, depends on this surgical and pathological information.

To guide further treatment. Decisions about radiation therapy, chemotherapy, or newer treatments such as immunotherapy depend on what is found during surgery. Without surgical staging, those decisions would be guesswork.

To relieve symptoms. In some women, surgery is performed in part to stop heavy bleeding, pelvic pain, or pressure caused by the tumour, even when complete cure is not possible.

Who Is a Candidate for Surgery?

Most women with endometrial cancer are candidates for surgery, but the type and extent of surgery are tailored to each person. Decisions are typically made by a multidisciplinary team that includes a gynaecologic oncologist, a pathologist, a radiation oncologist, a medical oncologist, and a radiologist.

Factors that influence the surgical plan include:

• Stage and grade of the cancer based on biopsy and imaging.
• Type of endometrial cancer (endometrioid vs serous, clear cell, or carcinosarcoma).
• Depth of invasion into the muscular wall of the uterus (myometrium), often estimated on MRI.
• Spread beyond the uterus, such as into the cervix, ovaries, lymph nodes, or other organs.
• Your general health, including heart, lung, and kidney function, body weight, mobility, and any other medical conditions.
• Previous abdominal or pelvic surgery, which can affect which surgical approach is feasible.
• Your preferences and goals, including, in carefully selected younger patients, the wish to preserve fertility.

When a woman is too unwell to tolerate major surgery — for example, due to severe heart or lung disease — the cancer team may consider alternatives such as radiation therapy alone or hormonal therapy.

Alternatives to Surgery

Although surgery is the standard treatment for endometrial cancer in most situations, there are circumstances in which other approaches are considered, either instead of surgery or in addition to it.

Hormonal therapy for fertility preservation

For a small, carefully selected group of women — typically those with very early, low-grade endometrioid cancer (or its precursor, atypical hyperplasia) who strongly wish to preserve the option of pregnancy — some guidelines describe hormonal therapy as a temporary alternative to immediate hysterectomy. This usually involves high-dose progestins, sometimes delivered through a progestin-releasing intrauterine device, with frequent biopsies to confirm response.

This approach is not a substitute for surgery in the long term. Most guidelines describe definitive surgery as the recommended treatment once childbearing is complete, or earlier if the cancer does not respond. The decision to pursue fertility-sparing treatment involves close discussion with a gynaecologic oncologist and a fertility specialist.

Radiation therapy as primary treatment

When surgery is not safe because of other medical conditions, radiation therapy alone — usually a combination of external beam radiation and internal radiation (brachytherapy) — may be offered. Outcomes with radiation alone are not generally as good as with surgery, but it can still control disease and relieve symptoms for many women.

Systemic therapy in advanced disease

For cancers that have spread widely at the time of diagnosis, the team may begin with chemotherapy, hormonal therapy, immunotherapy, or a combination, rather than starting with surgery. The order of treatments depends on the pattern of spread and the cancer's molecular features.

Surgical Approaches

Endometrial cancer surgery can be performed in several different ways. The goal of each approach is the same — safe and complete removal of the uterus, tubes, ovaries, and appropriate lymph node assessment — but the routes and instruments differ. For women with apparently early-stage disease, professional societies generally describe minimally invasive surgery as the preferred approach when feasible, because it offers similar cancer outcomes with faster recovery.

Open (abdominal) hysterectomy

In an open or abdominal approach, the surgeon makes a single incision in the lower abdomen — either horizontal (just above the pubic hairline) or vertical (from below the navel down to the pubic bone). This gives a wide view of the pelvis and abdomen and is sometimes necessary when:

• The uterus is very large or the tumour is bulky.
• There is suspected spread to other organs that needs to be addressed.
• Significant scarring from past surgery makes minimally invasive access difficult.
• An aggressive type of cancer requires extensive removal of tissue, including the omentum (a fatty apron of tissue in the abdomen).

Open surgery typically involves a longer hospital stay and recovery, but in some situations it remains the safest option.

Laparoscopic hysterectomy

In a laparoscopic approach (sometimes called keyhole surgery), the surgeon makes several small incisions in the abdomen. Through one of these, a thin tube with a camera (the laparoscope) is inserted. Specialised instruments are passed through the other small incisions to perform the surgery. The uterus and other tissues are usually removed through the vagina.

Advantages described in clinical studies include smaller scars, less postoperative pain, shorter hospital stays, and a quicker return to normal activities. Cancer outcomes for apparently early-stage endometrial cancer have been shown in randomised trials to be similar to those of open surgery.

Robotic-assisted hysterectomy

Robotic-assisted surgery is a form of laparoscopic surgery in which the surgeon controls precise instruments from a console next to the operating table. Small incisions are used, just as in standard laparoscopy. The surgeon's hand movements are translated into very fine, steady movements of the instruments inside the body, which can be helpful in deep or narrow areas of the pelvis.

For endometrial cancer, the robotic approach is widely used in centres with the necessary equipment and trained teams. Studies suggest it can be particularly useful in women with higher body weight, where conventional laparoscopy may be more difficult, while offering the same recovery benefits as other minimally invasive approaches.

Vaginal hysterectomy

A purely vaginal approach — in which the uterus is removed through the vagina without any abdominal incision — is less commonly used for endometrial cancer because it does not allow inspection of the abdomen or thorough lymph node assessment. It may occasionally be considered when a woman has very early, low-grade disease and other medical conditions make a more extensive operation unsafe. In such cases, it is sometimes combined with laparoscopy to allow at least some assessment of the lymph nodes and the rest of the pelvis.

Lymph node assessment: sentinel mapping vs full dissection

An important part of endometrial cancer surgery is checking whether cancer cells have spread to the lymph nodes. There are two main strategies:

• Sentinel lymph node mapping. A dye is injected into the cervix at the start of surgery. The surgeon then identifies and removes the first lymph nodes that the dye reaches — the “sentinel” nodes — on each side of the pelvis. If these nodes are clear of cancer, the rest of the lymph nodes can usually be left alone. Major societies, including SGO and NCCN, describe sentinel mapping as an accepted standard for apparent early-stage endometrial cancer.
• Lymphadenectomy (full lymph node dissection). The surgeon removes a larger group of lymph nodes from the pelvis and sometimes around the aorta in the upper abdomen. This is sometimes preferred when imaging or surgical findings suggest higher risk of spread, or when sentinel mapping is unsuccessful.

Sentinel mapping has been associated in studies with fewer side effects, particularly less leg lymphoedema (chronic swelling caused by lymph fluid build-up), while still giving reliable information about lymph node spread in most cases.

Preparing for Endometrial Cancer Surgery

Preparation begins as soon as the diagnosis is confirmed. The goal is to make sure the operation is as safe as possible and to plan it as precisely as possible.

Confirming the diagnosis and assessing spread

Before surgery, your team will usually have already:

• Confirmed the diagnosis through endometrial biopsy or dilation and curettage (D&C).
• Reviewed the biopsy with a pathologist to identify the cancer type and grade.
• Arranged imaging — commonly transvaginal ultrasound, MRI of the pelvis to assess depth of invasion and cervical involvement, and a CT scan of the chest, abdomen, and pelvis if there is concern about wider spread.
• Discussed your case at a multidisciplinary tumour board, where surgeons, oncologists, radiologists, and pathologists agree on the recommended plan.

Medical fitness for surgery

Pre-anaesthetic assessment usually includes:

• Blood tests, including a complete blood count, kidney and liver function, and clotting tests.
• An ECG, and sometimes echocardiogram or stress test if you have a history of heart disease.
• Chest X-ray and, where needed, pulmonary function tests.
• Review of your medications — some, such as blood thinners and certain diabetes medications, may need to be paused or adjusted before surgery.
• Review of any conditions like diabetes, high blood pressure, sleep apnoea, or thyroid disease.

If you smoke, stopping before surgery can reduce the risk of breathing problems and improve wound healing. If you are significantly overweight, the team may discuss any safe steps to optimise health before surgery, although treatment is not usually delayed for weight loss alone.

Practical preparation

In the days before surgery, you will typically be asked to:

• Stop eating and drinking for a specific number of hours before the operation, as instructed.
• Shower with a particular soap if asked.
• Arrange someone to bring you to hospital and take you home afterwards.
• Plan for help at home during the first one to two weeks.

It is also a good moment to ask your surgeon about what specifically will be removed, whether sentinel lymph node mapping is planned, and what the likely surgical approach will be.

What Happens During the Surgery

Endometrial cancer surgery is performed under general anaesthesia, meaning you will be fully asleep. The total time in the operating theatre is usually around one and a half to three hours, although complex cases can take longer.

A typical sequence is as follows:

1. Anaesthesia and positioning. You will be put to sleep, a breathing tube will be placed, and a urinary catheter will be inserted into the bladder. You will be positioned to allow access to the abdomen and pelvis.
2. Initial inspection. The surgeon enters the abdomen (through an incision or small ports) and examines the pelvis and abdomen for any obvious signs of disease.
3. Sentinel lymph node mapping (if planned). Dye is injected into the cervix, and the sentinel lymph nodes are identified and removed for examination.
4. Removal of the uterus, cervix, fallopian tubes, and ovaries. The blood vessels and supporting tissues are carefully divided and sealed. The specimens are removed in a way that prevents spillage of tumour cells.
5. Further lymph node removal, if needed.
6. Additional procedures, if needed. In some cancers, particularly the more aggressive types, the omentum may be removed, and biopsies of other areas may be taken.
7. Closure. The incisions are closed in layers, and dressings are applied.

During or shortly after the operation, parts of the removed tissue may be examined immediately under the microscope (a “frozen section”) to help the surgeon make further decisions, although final pathology takes several days.

Recovery and Healing

Recovery looks different depending on the surgical approach and your overall health, but a general pattern is shared by most patients.

In hospital

After minimally invasive surgery (laparoscopic or robotic), most women are encouraged to walk within a few hours, start drinking and eating soon after, and are discharged within one to three days. After open abdominal surgery, hospital stays are typically three to five days.

While in hospital, the team will focus on:

• Pain control — through a combination of medications, often with a plan to taper off stronger painkillers quickly.
• Preventing blood clots — with early walking, compression stockings, and often blood-thinning injections for a period after surgery.
• Bladder and bowel function — the urinary catheter is usually removed within a day or two; the team will monitor your return to normal urination and bowel movements.
• Wound care — dressings are checked and the team will explain how to care for your incisions at home.

The first weeks at home

Many women feel tired in the first one to two weeks. It is common to need short naps during the day, to have some mild abdominal or shoulder discomfort (the latter from gas used during laparoscopy), and to notice some light vaginal bleeding or discharge for a few weeks. The vaginal cuff — where the top of the vagina is closed after the uterus is removed — takes several weeks to heal.

During this time, the team will usually ask you to:

• Avoid lifting anything heavier than a few kilograms.
• Avoid driving until pain and medications no longer impair your reactions.
• Avoid putting anything into the vagina (no tampons, douches, or intercourse) for around six weeks, or as advised, to allow the cuff to heal.
• Walk a little more each day, gradually increasing activity.

Approximate timelines

• First 1–2 weeks: initial healing, gradual return of energy.
• 2–4 weeks (minimally invasive): return to most light daily activities and, for many people, desk-based work.
• 4–6 weeks: return to more demanding activities, including driving, with surgeon's approval.
• 6–8 weeks (open surgery): full recovery for most women, including return to exercise that involves the abdomen.

Surgical menopause

If you had not yet gone through menopause before surgery, the removal of both ovaries causes an abrupt drop in oestrogen levels, often called surgical menopause. This can lead to hot flushes, night sweats, mood changes, vaginal dryness, joint stiffness, and changes in sleep. Long term, oestrogen loss can affect bone and heart health.

Management depends on the type of cancer and individual factors. In some early-stage cancers, hormone replacement therapy may be discussed; in others, non-hormonal treatments are preferred. This is an important conversation to have with your gynaecologic oncologist and, where helpful, a menopause specialist.

Risks and Complications

Endometrial cancer surgery is generally considered safe when performed by an experienced team, but no operation is free of risk. Understanding the possible complications helps you spot warning signs early.

Common short-term risks include:

• Bleeding during or after surgery, occasionally needing a transfusion.
• Infection of the wound, urinary tract, or, less commonly, the abdomen and pelvis.
• Blood clots in the legs (deep vein thrombosis) or lungs (pulmonary embolism), which is why early walking and clot-prevention measures are emphasised.
• Injury to the bladder, ureters, or bowel. These structures sit very close to the uterus and can occasionally be injured during surgery; most injuries are repaired at the time.
• Anaesthesia-related complications, such as breathing or heart problems, which are uncommon in healthy patients but increase with age and other illnesses.

Longer-term risks include:

• Lymphoedema, particularly of the legs, after lymph node removal. The risk is lower with sentinel node mapping than with extensive dissection.
• Bowel or bladder changes, such as constipation, urinary urgency, or, less commonly, fistula formation.
• Vaginal cuff problems, including infection or, rarely, separation of the cuff.
• Changes in sexual function related to anatomy, surgical menopause, or emotional factors.
• Adhesions — bands of scar tissue inside the abdomen that can occasionally cause pain or bowel obstruction.

Your individual risk depends on the type of surgery, your overall health, body weight, and any other medical conditions. The surgical team will discuss this with you in detail before you sign the consent form.

Life After Endometrial Cancer Surgery

Once you are home and healing, attention shifts to two things: deciding whether any further treatment is needed and beginning long-term follow-up.

Final pathology and adjuvant treatment

About one to two weeks after surgery, the final pathology report becomes available. This report describes the exact type, grade, and stage of the cancer, the depth of invasion, the involvement of lymph nodes, and increasingly the molecular profile of the tumour. Many guidelines, including NCCN and ESGO, now incorporate molecular features (such as POLE mutation status, mismatch repair, and p53 status) into treatment recommendations.

Based on this information, the multidisciplinary team will discuss whether adjuvant treatment (treatment given after surgery to reduce the risk of recurrence) is appropriate. Options include:

• Vaginal brachytherapy, a form of internal radiation aimed at the top of the vagina, where recurrences are most common.
• External beam radiation therapy, directed at the pelvis, used when the risk of recurrence in nearby tissues is higher.
• Chemotherapy, typically used for higher-stage disease, more aggressive cancer types, or certain molecular profiles.
• Combined approaches, such as chemotherapy with radiation, in selected situations.
• Newer therapies, including immunotherapy, used in specific advanced or recurrent settings based on the cancer's molecular features.

For many women with early-stage, low-grade endometrioid cancer, surgery alone is sufficient and no further treatment is needed.

Follow-up and surveillance

Follow-up after endometrial cancer surgery is designed to detect any recurrence early and to manage long-term side effects. A common pattern, in line with major society guidance, is:

• Clinical review with pelvic examination every 3 to 6 months for the first 2 to 3 years.
• Less frequent reviews (often every 6 to 12 months) for years 3 to 5.
• Annual review thereafter, often continuing for at least 5 years.
• Imaging (CT, MRI, or PET-CT) only if symptoms or examination suggest recurrence, rather than routinely.

You will be asked to report symptoms such as new vaginal bleeding or discharge, persistent pelvic or abdominal pain, leg swelling, unexplained weight loss, or new shortness of breath. Most of these symptoms have benign causes, but they are worth checking.

Emotional recovery

Recovery from cancer surgery is emotional as well as physical. It is common to feel a mix of relief, anxiety, sadness about loss of fertility or anatomy, and worry about the future. Some women find these feelings ease over time; others benefit from counselling, peer support, or speaking with a mental health professional. Bringing these issues up with your team is a normal part of cancer care.

Sexual health and intimacy

After healing is complete, many women resume sexual activity, but it can feel different. Vaginal dryness and reduced elasticity, especially after surgical menopause or radiation, are common and treatable, often with vaginal moisturisers, lubricants, low-dose vaginal oestrogen where appropriate, and pelvic floor support. Anxiety, body image concerns, and changes in relationships also play a role. Honest conversations with your partner and your team can help.

Lifestyle and general health

Endometrial cancer is closely linked to factors like body weight, diabetes, and high blood pressure. After surgery, attention to general health can both improve well-being and, in some studies, reduce the risk of recurrence and other illnesses. Steps that are commonly encouraged include:

• Regular physical activity, building up gradually after surgery.
• A balanced diet with plenty of vegetables, fruits, whole grains, and lean protein.
• Working with your doctor to manage diabetes, blood pressure, and cholesterol.
• Bone health monitoring, especially after surgical menopause.
• Avoiding smoking and limiting alcohol.

Prognosis and Outcomes

Prognosis after endometrial cancer surgery depends mainly on stage, grade, type, and molecular features of the cancer, and on overall health. In general, the earlier the cancer is found, the better the outcome.

Patterns described in major cancer guidelines include:

• Cancers confined to the uterus, especially low-grade endometrioid types, are associated with very high long-term survival, often with surgery alone.
• Cancers involving the cervix, deeper layers of the uterus, or lymph nodes have somewhat lower survival but can still be treated effectively with combined approaches.
• More aggressive types (serous, clear cell, carcinosarcoma) and cancers that have spread further at diagnosis carry a higher risk of recurrence; molecular features increasingly help refine these estimates.

Specific numbers vary by population and over time, and modern molecular classification is changing how outcomes are predicted. The most reliable estimate of your own outlook will come from a gynaecologic oncologist who has seen your full pathology and imaging.

Frequently Asked Questions

How long will endometrial cancer surgery take?

Most operations take around one and a half to three hours. Complex cases — for example, when extensive lymph node dissection or removal of other tissue is needed — can take longer. Time under anaesthesia and time in the recovery room are additional.

Will I need chemotherapy or radiation after surgery?

Not always. Many women with early-stage, low-grade cancer need no further treatment after surgery. Decisions about chemotherapy, radiation, or both are based on the final pathology report, including stage, grade, depth of invasion, lymph node status, and molecular features. Your team will discuss the recommendation with you once that information is available.

Is minimally invasive surgery safe for cancer?

For apparently early-stage endometrial cancer, laparoscopic and robotic-assisted approaches have been studied in large clinical trials and have shown cancer outcomes similar to open surgery, with faster recovery. For more advanced or bulky disease, open surgery is sometimes the safer choice. The right approach depends on the individual case and the experience of the surgical team.

Can I avoid having my ovaries removed?

For most women with endometrial cancer, particularly after menopause, removal of both ovaries is part of standard surgery because the ovaries are a common site of spread and can themselves be a source of hormones that drive some cancers. In carefully selected younger women with very early, low-grade disease, ovarian preservation may sometimes be discussed. This is an individual decision made with a gynaecologic oncologist.

Will surgery affect my ability to have children?

Standard endometrial cancer surgery removes the uterus, so pregnancy after surgery is not possible. Women who strongly wish to preserve fertility and meet specific criteria may be offered fertility-sparing treatment with hormonal therapy as a temporary measure before definitive surgery. This option is limited and requires close monitoring.

When can I return to work?

After minimally invasive surgery, many people who have desk-based work return within two to four weeks, depending on energy levels and any further treatment. After open surgery, return to work usually takes longer, often six to eight weeks. Physically demanding jobs require more recovery time. Your team can help you plan a realistic return.

When can I resume exercise and sexual activity?

Walking is encouraged from the day of surgery. More demanding exercise, including running and abdominal exercises, is typically resumed after four to six weeks or longer, depending on the type of surgery. Sexual intercourse is usually deferred for about six weeks to allow the vaginal cuff to heal. Always confirm timings with your surgeon.

What are the signs of a possible recurrence?

Symptoms to mention to your team include new vaginal bleeding or discharge, persistent pelvic or abdominal pain, a lump or swelling in the pelvis or groin, persistent leg swelling, unexplained weight loss, or new shortness of breath or cough. Most of these symptoms have benign causes, but they should be checked.

Do I need genetic testing?

A proportion of endometrial cancers are linked to inherited conditions, particularly Lynch syndrome. Many guidelines now recommend that all endometrial cancers be tested for features that suggest Lynch syndrome (such as mismatch repair status). If those tests suggest an inherited cause, referral for genetic counselling and further testing is usually offered, which can also have implications for family members.

Conclusion

Endometrial cancer surgery is the central treatment for most women diagnosed with cancer of the uterine lining. When the disease is caught early, surgery alone can often be enough to cure it. When the cancer is more advanced or more aggressive, surgery still plays a critical role — it removes as much disease as possible, provides the staging and molecular information that guides the next steps, and supports the effectiveness of any additional treatment.

Advances over the past two decades — minimally invasive and robotic-assisted techniques, sentinel lymph node mapping, and molecular classification of tumours — have made care safer, more precise, and better tailored to each woman. The journey through diagnosis, surgery, recovery, and follow-up is rarely simple, but a clear understanding of what to expect at each stage can make it more manageable. The most important conversations are the ones you have with your gynaecologic oncologist and the wider cancer team, who can translate the patterns described here into a plan that fits your particular situation.