Dr Bappaditya Har

HPB cancer surgery

Gallbladder Cancer Surgery in Kolkata

Gallbladder cancer is rare in most of the world but noticeably common along the Gangetic plains of northern and eastern India — West Bengal, Bihar, Uttar Pradesh and Assam among them. It grows silently, so many patients are diagnosed late. When it is caught early, a radical operation that removes the gallbladder with a margin of liver and the nearby lymph nodes can cure it; the challenge is recognising it in time.

By Dr Bappaditya Har, Liver Transplant & HPB Surgeon, Narayana RN Tagore Hospital, Mukundapur · Updated 24 September 2026

Key points

  • The Gangetic belt has among the highest rates of gallbladder cancer in the world; long-standing gallstones are the strongest known association.
  • Many early cancers are found by chance in a gallbladder removed for stones — the histopathology report must always be read.
  • The curative operation is a radical (extended) cholecystectomy: gallbladder, a wedge of liver and regional lymph nodes.
  • Jaundice, a hard mass or weight loss usually mean advanced disease; surgery then helps only a selected few.

Why gallbladder cancer is common in eastern India

Doctors in Kolkata, Patna and Guwahati see gallbladder cancer far more often than their colleagues in southern India or Europe. The reasons are not fully understood. Long-standing gallstones and chronic inflammation of the gallbladder are the most consistent link; other factors that have been studied include genetics, chronic typhoid carriage, water and soil contaminants in the river plains, and diet. Women are affected more often than men.

Most people with gallstones will never develop cancer, but the background risk in this region is part of why surgeons here take gallbladder symptoms and abnormal ultrasound findings seriously. We cover the stones–cancer link in more depth in gallstones and gallbladder cancer.

Early versus late presentation

Early (often curable)Late (usually advanced)
How it is foundBy chance in a gallbladder removed for stones, or as a thickened wall or polyp on ultrasoundSymptoms bring the patient to the doctor
SymptomsUsually none beyond ordinary gallstone painPersistent right-sided pain, loss of appetite, weight loss, a lump, jaundice
What it meansCancer confined to the gallbladder wall or just beyondSpread into the liver, bile duct, lymph nodes or abdominal lining
TreatmentRadical cholecystectomy, sometimes as a second operationChemotherapy, stenting for jaundice; surgery only in selected cases

Jaundice in gallbladder cancer usually means the tumour has invaded the bile duct. That is not automatically a death sentence — a few patients can still have a major resection — but most need non-surgical treatment.

Cancer found after a routine gallbladder operation

A common and anxious scenario: a patient has their gallbladder removed laparoscopically for stones, and a week later the histopathology report shows cancer. This is called incidental gallbladder cancer. What happens next depends on how deeply the tumour has invaded the wall (the T stage).

  1. 1

    Get the slides and report reviewed

    The depth of invasion, the margin at the cystic duct and whether the gallbladder was torn during surgery all matter. A second opinion on the pathology is sometimes worthwhile.

  2. 2

    Staging scans

    A contrast CT or MRI of the abdomen and chest looks for residual tumour in the liver bed, enlarged lymph nodes or spread. PET-CT is used in selected cases.

  3. 3

    Decide on re-operation

    Very superficial cancers (T1a) are usually cured by the original cholecystectomy if margins are clear. Deeper cancers (T1b and beyond) generally need a completion radical operation to remove the liver bed and lymph nodes.

  4. 4

    Timing

    Re-operation is commonly done within a few weeks of the first surgery, once inflammation settles. Patients should not wait months.

Every removed gallbladder should go for histopathology

In a high-incidence region, sending the gallbladder to the laboratory is the only way incidental cancers are discovered early. If you had a gallbladder removed and never saw a histopathology report, ask the hospital for it.

What a radical (extended) cholecystectomy involves

  • The gallbladder (if still present), removed intact without spilling bile, since spillage can spread cancer cells.
  • A margin of liver from the gallbladder bed — usually a wedge of about 2 cm, or a formal resection of liver segments IVb and V. Larger tumours may need a bigger liver resection.
  • Regional lymph nodes along the bile duct, hepatic artery, portal vein and behind the pancreas.
  • The bile duct, only when the tumour involves it or the cystic duct margin is positive; the duct is then rejoined to the intestine.
  • Any adjacent organ directly involved, such as part of the colon or duodenum, in selected patients.

Most radical cholecystectomies are done as open operations; minimally invasive approaches are used in selected early cases at experienced centres. The hospital stay is typically about a week for a standard radical cholecystectomy and longer when the bile duct or a larger part of the liver is removed. Risks include bile leak, bleeding, infection and, after larger resections, liver insufficiency.

When surgery is not the right choice

Surgery is generally not recommended when the cancer has spread to the peritoneum (the lining of the abdomen), to distant parts of the liver, to lymph nodes beyond the regional group, or when it encases major blood vessels. Operating in these situations carries significant risk without extending life. Staging laparoscopy before a planned open operation helps avoid an unnecessary large incision.

For these patients, treatment focuses on chemotherapy (increasingly with immunotherapy), relieving jaundice with a stent, controlling pain and maintaining nutrition. Some patients whose disease shrinks well on chemotherapy are re-assessed for surgery, so the conversation with the surgeon should not end at the first 'inoperable' verdict.

Outcomes and follow-up

Prognosis is closely tied to stage. Early cancers confined to the gallbladder wall that are completely removed have a good chance of long-term cure; once the tumour has spread to lymph nodes or through the wall into the liver, survival falls considerably. Chemotherapy is often advised after radical surgery for tumours beyond the earliest stage. Follow-up with clinical review, blood tests and periodic scans continues for several years.

Consulting in Kolkata

Dr Bappaditya Har performs radical and completion cholecystectomy at Narayana RN Tagore Hospital, Mukundapur, alongside other HPB surgery. If you have a histopathology report showing cancer, a CT scan with a gallbladder mass, or a thick-walled gallbladder that worries your doctor, send the reports on WhatsApp (+91 70420 39420) for review, or call 080675 06860 for an appointment.

Frequently asked questions

Is gallbladder cancer curable?

Yes, when it is found early and removed completely with a radical cholecystectomy. Many cures happen in patients whose cancer was discovered incidentally after gallbladder removal for stones. Advanced gallbladder cancer is rarely curable.

My histopathology report after cholecystectomy shows cancer. What now?

Do not panic, but do not delay. You need staging scans and a review by an HPB surgeon within a few weeks. Depending on the depth of invasion, you may need a second operation to remove the liver bed and lymph nodes.

Do gallstones cause gallbladder cancer?

Long-standing gallstones are strongly associated with gallbladder cancer, especially in the Gangetic belt, but most people with stones never develop cancer. Whether to remove a gallbladder with silent stones is decided individually.

Can gallbladder cancer be removed laparoscopically?

Selected early cancers can be treated by minimally invasive radical cholecystectomy at experienced centres. Most cases, especially those needing bile duct or larger liver resection, are done as open surgery.

What are the symptoms of gallbladder cancer?

Early cancer usually causes no specific symptoms. Later signs include persistent upper-right abdominal pain, loss of appetite, weight loss, a lump and jaundice.

Related reading

This page is general patient information, not a diagnosis or a substitute for a consultation. Treatment decisions depend on each patient's reports and examination. Read our medical disclaimer and editorial policy.

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