Anterior Resection in Ankara, Turkey

Anterior resection is a surgical procedure in which the portion of the rectum affected by cancer, polyps, or other diseases is removed. It is most commonly preferred for tumors located in the upper and mid-rectum, with the goal of preserving as much healthy bowel as possible.

Recovery after anterior resection requires close follow-up to protect bowel function and prevent complications. After surgery, issues such as anastomotic leakage, infection, and bowel obstruction must be monitored carefully.

When performed with minimally invasive techniques, laparoscopic anterior resection can shorten recovery time and reduce postoperative pain. The laparoscopic approach also reduces hospital stay and often provides better cosmetic results.

Quality of life after anterior resection depends on changes in bowel habits and a possible need for a stoma. With dietary adjustments, physical activity, and regular follow-ups, postoperative quality of life can be improved.

You can contact Prof. Dr. Ebru Soy, one of the doctors performing Anterior Resection in Ankara, to get information about Anterior Resection prices, the process, and the hospital where Anterior Resection is performed.

What Is Anterior Resection?

Anterior resection is the surgical removal of a cancerous or diseased segment located in the upper part of the rectum. It is especially preferred for tumors in the mid and upper rectum. After the diseased segment is removed, the remaining bowel ends are reconnected to preserve bowel continuity. The need for a colostomy is generally low. It is an important procedure both for oncologic principles and functional outcomes.

Why Is Preoperative MRI So Critical Before Anterior Resection?

Before rectal cancer surgery, the most powerful “roadmap” we have is high-resolution Magnetic Resonance Imaging (MRI). In the past, simply confirming the presence of a tumor was considered sufficient, but today surgical success depends on details. MRI shows not only the tumor location but also its millimetric relationship with surrounding tissues. It helps us determine whether the tumor has extended beyond the rectal wall, how far it has spread into the surrounding fat, and—most importantly—its distance to the safe surgical margin.

The information obtained at this stage can fundamentally change the treatment plan. For example, if MRI shows that the tumor is very close to the mesorectal fascia or has spread to lymph nodes, we may avoid proceeding directly to surgery. In such higher-risk situations, shrinking the tumor with preoperative treatment becomes crucial. MRI prevents the surgeon from operating “in the dark” and helps us anticipate what we will encounter before the patient ever enters the operating room. It also supports choosing the most appropriate surgical technique based on tumor location.

Key risk factors we assess on MRI include:

• Mesorectal fascia involvement
• Deep tumor invasion
• Suspicious lymph nodes
• Extramural vascular invasion (EMVI)
• Proximity of the tumor to the sphincter

When Is Preoperative Chemotherapy and Radiotherapy (Neoadjuvant Treatment) Necessary?

Not every rectal cancer patient is taken straight to surgery. In “locally advanced” disease—where the tumor has grown beyond early stages or involves lymph nodes—using chemotherapy and radiotherapy before the scalpel is the modern gold standard. This approach, known as neoadjuvant treatment, aims to “lock” the tumor in place and reduce its size.

If MRI suggests the tumor threatens surgical margins, a combined course of radiotherapy and chemotherapy is administered before surgery. This significantly lowers the risk of local recurrence after surgery. In some patients, the response is so strong that no viable cancer cells are found in the removed tissue—this is called a “pathologic complete response,” and it can dramatically improve long-term survival prospects.

Patient groups that commonly require neoadjuvant treatment include:

• T3 tumors
• T4 tumors
• Node-positive disease
• Tumors threatening surgical margins
• Large, low-lying tumors

How Does Total Mesorectal Excision (TME) Help Achieve Cure?

The cornerstone of rectal cancer surgery—and the key to success—is the technique called Total Mesorectal Excision (TME). The rectum is surrounded by a fatty envelope called the mesorectum, which contains blood vessels and lymph nodes. Cancer cells do not remain limited to the bowel wall; they can spread through lymphatic channels within this fat. The logic of TME is to remove the rectum together with this envelope in one intact piece—like removing a letter without tearing the envelope around it.

This technique represents the highest level of surgical precision. If the surgeon tears or fragments this “envelope,” microscopic cancer cells may spill into the pelvis, increasing recurrence risk. When performed properly, TME has reduced local recurrence rates from around 30% to well below 5%. It not only improves cure rates but, by respecting anatomical planes, can also reduce bleeding and make the operation cleaner. A successful TME is one of the most life-saving factors for the patient.

Why Is Nerve-Sparing (Preserving Pelvic Nerves) So Important?

In rectal surgery, oncologic success is essential—but functional success is equally important. The pelvic cavity is densely woven with delicate nerves that control urinary and sexual functions. These nerves run just outside the mesorectal tissue, in a millimetric neighborhood. The surgeon’s task is to remove the cancer safely while identifying and protecting these nerves during dissection.

If these nerves are damaged, a patient may be cured of cancer but face major quality-of-life problems: erectile dysfunction or ejaculation issues in men, reduced desire or pain in women, and urinary leakage or urinary retention in both sexes. Modern surgery aims not only to prolong life but to preserve a high-quality life. For this reason, careful, vision-guided dissection and nerve preservation are crucial for the patient’s post-op reintegration into everyday life.

How Do Robotic Surgery and Laparoscopy Make Anterior Resection Easier?

While traditional open surgery requires large abdominal incisions, anterior resection today is often performed laparoscopically or robotically—minimally invasive approaches using small ports, a camera, and fine instruments. In rectal cancer surgery, the biggest advantage of these technologies is superior visualization.

The rectum lies deep inside a narrow bony pelvis. In men and in overweight patients, this space can be especially tight, making it challenging to reach and see clearly in open surgery. Laparoscopy and robotic systems, however, provide magnification and high-definition views of even the deepest parts of the pelvis on a large screen. This allows clearer identification of vessels, nerves, and tissue planes.

Advantages of minimally invasive surgery include:

• Less postoperative pain
• Less blood loss
• Smaller scars
• Faster return of bowel function
• Earlier discharge
• Faster return to work

What Extra Capabilities Does the Robotic System Provide in Narrow Spaces?

Laparoscopic surgery was a major revolution, but its instruments have limited mobility—they function like straight sticks. Robotic surgery eliminates much of this limitation. Robotic arms can move far beyond the capability of the human wrist, rotate up to 540 degrees, and do not tremble. This creates a major advantage in spaces like the pelvis, where maneuvering room is extremely limited.

The surgeon operates from a dedicated console rather than standing at the bedside. A 3D vision system provides depth perception, helping the surgeon judge distances between tissues precisely. In very low tumors, suturing or gentle dissection in a tight space becomes much easier with wristed robotic instruments. Studies suggest robotic surgery can help achieve cleaner surgical margins in challenging cases and reduce unintended nerve injury. In other words, the technology amplifies the surgeon’s precision and maximizes patient safety.

How Does the TaTME Technique Offer a Solution in Challenging Cases?

Transanal Total Mesorectal Excision (TaTME) is one of the most innovative approaches developed in rectal surgery in recent years. In traditional surgery, the surgeon works from the abdomen downward, and as the dissection gets deeper, visibility can become more difficult. In TaTME, two teams can work simultaneously—one from the abdomen and the other from the anus, progressing upward.

This “bottom-up” approach offers a major advantage in men with a narrow pelvis, obese patients, or tumors located very low in the rectum. The lowest portion—which can be hard to visualize from above—can be seen and removed more directly and clearly with this method. This can improve margin safety and increase the likelihood of preserving sphincter function. However, TaTME is an advanced procedure requiring significant training and experience, with specific risks such as urinary tract injury. For this reason, it should be performed only by surgeons with dedicated expertise in the technique.

How Does the ERAS Protocol Speed Up Recovery?

In the past, patients were kept fasting for days after major bowel surgery, restricted to bed rest, and treated with heavy narcotic painkillers. These practices can delay bowel function and prolong hospital stays. Today, Enhanced Recovery After Surgery (ERAS) protocols have transformed this approach. ERAS aims to minimize surgical stress on the body and return patients to normal physiology as quickly as possible.

The protocol begins even before hospital admission. Instead of prolonged fasting, patients may consume energy-providing clear liquids up to two hours before surgery. After surgery, patients are mobilized the same day and encouraged to walk. Oral intake starts early—often with water and soft foods on the first day. Tubes such as catheters and drains that keep patients in bed are removed as soon as safely possible. With this approach, complication rates decrease, patients feel better, and discharge happens earlier.

Key components of ERAS include:

• Preoperative education
• Carbohydrate loading
• Avoiding unnecessary bowel preparation
• Maintaining body temperature
• Early mobilization
• Early feeding
• Non-opioid pain control

Why Is a Temporary Ileostomy (Stoma Bag) a Safety Valve?

For many patients, the idea of a “bag” can be frightening. However, in anterior resection, a temporary ileostomy can function like a life-saving insurance policy. When the two bowel ends are sewn together (anastomosis), the connection needs time to heal. If the tumor is very low, the patient has received radiotherapy, or overall risk is high, the chance of leakage increases.

If stool leaks into the abdomen from the anastomosis, it can cause severe—and potentially fatal—infection. To manage this risk, surgeons may temporarily bring a segment of the small intestine out to the abdominal wall, diverting stool away from the fresh anastomosis. This keeps the connection clean and dry so it can heal safely. Usually, after 2–3 months, once tests confirm healing, the stoma is closed with a smaller operation and the patient returns to normal bowel movements. In other words, it is typically a temporary safety measure—not a permanent condition.

How Is the Risk of Anastomotic Leak Managed?

An anastomotic leak is one of the most feared complications in rectal surgery. It occurs when the joined bowel ends do not heal fully, allowing contents to seep into the abdominal cavity. Patients may develop severe abdominal pain, fever, rapid heart rate, and overall deterioration. Early detection is critical.

If the leak is small and localized, it can sometimes be managed without surgery using antibiotics and image-guided drains placed by interventional radiology. However, if the patient shows significant infection signs and clinical decline, urgent intervention is required. The priority is always to save the patient’s life. Often, stool flow is diverted by creating a stoma from a higher segment of bowel, and the abdominal cavity is cleaned. While surgical experience and ERAS pathways help reduce this risk, every patient heals differently and the risk must always be considered.

What Do Reservoir Techniques Like a “J-Pouch” Provide Functionally?

The natural rectum is not just a passage—it is also a reservoir that stores stool. When the rectum is removed with anterior resection, this storage capacity is reduced. If the colon is connected directly to the anus in a straight line, patients may feel an urgent need to defecate frequently and may have difficulty postponing bowel movements.

To address this, surgeons can create a “reservoir” during reconstruction. One common approach is the colonic J-pouch, in which the bowel end is folded into a J-shape and stitched together to form a pouch. This pouch mimics rectal storage function, allowing stool to accumulate before evacuation. As a result, bowel movement frequency decreases, urgency improves, and nighttime disruption can be reduced. Building a reservoir is often a key strategy for patient comfort and social adaptation after surgery.

What Are the Symptoms of Low Anterior Resection Syndrome (LARS)?

Even when surgery is successful and the cancer is fully removed, the most common long-term issue is Low Anterior Resection Syndrome (LARS). LARS refers to persistent or temporary changes in bowel function and is common after sphincter-preserving surgery.

The main reasons include reduced storage capacity after rectal removal and unavoidable changes in nerve signaling. Preoperative radiotherapy can also stiffen sphincter muscles, increasing symptom severity. LARS can significantly affect quality of life and may lead to social isolation. Patients often report needing to return to the toilet soon after finishing or difficulty distinguishing gas from stool.

Common LARS symptoms include:

• Frequent bowel movements
• Fecal incontinence
• Gas incontinence
• Urgency
• Incomplete evacuation
• Fragmented bowel movements (“clustering”)

Why Measure LARS Severity and Confirm the Diagnosis?

LARS is not detected on lab tests or imaging—it is defined by the patient’s lived symptoms. Listening carefully is essential, but “I’m doing badly” is not enough to plan treatment. We need an objective way to measure severity.

That is why internationally validated tools like the LARS Score questionnaire are used to quantify symptom frequency and impact. In addition, tests such as anorectal manometry can measure sphincter strength and sensation, helping identify whether problems stem from muscle weakness, sensory changes, or reduced reservoir capacity. Correct assessment is the first step toward the right strategy.

What Are the Main Steps in Treating and Managing LARS?

LARS is not an unsolvable destiny. It can be managed through a stepwise, individualized approach that requires patience. There is no single “miracle” solution. Treatment usually starts with the simplest measures and escalates based on response. The goal is to make bowel habits predictable so patients can continue daily life without fear.

First-line measures include dietary adjustments and basic medications to firm stool and slow bowel movement frequency. If symptoms persist, pelvic floor rehabilitation and biofeedback are added. In more severe cases, bowel irrigation systems (transanal irrigation) can be life-changing: patients empty the bowel in the morning using water and can often feel secure for the rest of the day.

Common LARS management tools include:

• Diet modification
• Loperamide
• Fiber supplements
• Pelvic floor exercises
• Biofeedback therapy
• Transanal irrigation
• Sacral nerve stimulation

This comprehensive pathway shows that the surgeon’s responsibility does not end at the operating-room door. With close collaboration between the patient and care team, it is possible to achieve not only a cancer-free life but also a high-quality life.

Frequently Asked Questions

For which conditions is anterior resection performed?

Anterior resection is most commonly performed for cancers of the upper rectum or sigmoid colon, as well as diverticulitis and certain benign tumors. The goal is to remove the diseased segment while preserving digestive continuity as much as possible.

Is a permanent colostomy created after anterior resection?

In most anterior resections, a permanent colostomy is not necessary. In low anterior resections, a temporary ileostomy may be created to protect the anastomosis. The need for a permanent stoma depends on tumor location and sphincter function.

How are bowel movements affected after anterior resection?

Changes in bowel habits may occur after surgery. Patients can experience frequent stools, gas-related issues, and difficulty with control. This pattern is often referred to as “low anterior resection syndrome” and may improve over time.

What is low anterior resection syndrome (LARS) after anterior resection?

LARS includes symptoms such as frequent bowel movements, incontinence, and urgency. Because part of the rectum is removed, storage capacity decreases. Symptoms can be reduced with diet changes, pelvic floor physiotherapy, and medications.

When can patients return to a normal diet after anterior resection?

Once bowel function resumes, patients typically progress from liquids to a soft diet. In many cases, normal eating can resume within 2–4 days. Diet advancement is individualized based on tolerance.

Can sexual function be affected after anterior resection?

Because pelvic nerves can be impacted, men may experience erectile dysfunction and women may develop vaginal dryness or discomfort during intercourse. Nerve-sparing techniques aim to reduce these risks.

How soon can patients return to work after anterior resection?

After open surgery, returning to work often takes about 4–6 weeks; after laparoscopic surgery, it may be possible in 2–4 weeks. Full recovery depends on operation extent and individual health.

What complications can occur after anterior resection?

The most common complications include anastomotic leak, infection, bleeding, and delayed bowel function. Anastomotic leak is serious and may require additional intervention.

What should patients pay attention to in the long term after anterior resection?

Long-term, bowel routine, dietary adherence, and regular follow-up are important. Colonoscopy and oncologic surveillance should not be missed. Pelvic floor exercises can support functional recovery.

Is psychological support necessary after anterior resection?

Yes. Bowel control issues, lifestyle changes, and sexual function concerns can be emotionally challenging. Psychological support can improve adaptation and quality of life.

How long does anterior resection take?

Anterior resection typically takes about 2 to 4 hours.

Which doctor/specialty should be consulted for anterior resection?

Patients should consult a general surgeon—preferably one specialized in colorectal surgery.