Enquire now
Enquire NowCall Back Whatsapp Lab report/login

Department Of Gastro Sciences

The Department of Gastro Sciences at CMRI Hospital, is a hub of excellence, offering best-in-class modalities for the diagnosis, assessment, treatment, and management of the entire gamut of diseases, ailments, and malignancies involving the organs of the gastrointestinal tract. These include problems related to the stomach, liver, intestines, and pancreas. 
The department offers a comprehensive and multidisciplinary approach to catering to the needs of the patients and is supported by the latest innovations and equipment. There is a wide range of leading-edge procedures to choose from and experts offer personalized plans, curated in accordance with your specific needs. 
We have a dedicated team of experts, who hold specialization in all kinds of surgical and pharmacological treatments. The gastroenterologists and gastric surgeons are accompanied by immensely trained and experienced dieticians. The team works in close coordination to devise a complete treatment package, aiming at the robust recovery of the patient with the finest outcomes. 
The department has dedicated surgical units, laboratories, ICUs, and endoscopy suits, with an ERCP facility. The Intensive care unit is fully equipped to handle patients post complicated GI surgeries or emergencies. The laboratories are manned by trained technicians, who adhere to very strict benchmarks when it comes to precision and accuracy.
At CMRI Hospital Kolkata, we adhere to stringent safety protocols and offer a wide gamut of facilities under one roof, thereby giving you a hassle-free experience. 

World-class facilities offered at The Department of Gastro Sciences, CMRI, include:


  • Oesophagogastroduodenoscopy (OGD)
  • Colonoscopy/Terminal Ileostomy
  • Endoscopic Ultrasound (EUS)
  • Endoscopic Retrograde cholangiopancreatography (ERCP)
  • Elastography
  • Fibroscan

 Therapeutic Procedure (Endoscopic)

  • Stricture Dilatation (Oesophageal, Pyloric, Colonic)
  • Variceal Band Ligation (Oesophageal/Colonic )
  • Sclerotherapy
  • Percutaneous Endoscopic Gastrostomy (PEG)
  • ERCP

 Tube Placement

  • Enteral Tube Placement
  • Polyp Removal
  • Argon Plasma Coagulation (ACP) 

 Hemorrhagic Lesion

  • Stenting (Oesophageal)

 Biliary and Pancreatic

  • Stone Extraction (Biliary and Pancreatic)
  • HPB (Hepato-Pancreato-Biliary) Surgery


  • Major and Minor Liver Resections
  • Primary cancers of the liver (HCC)
  • Biliary tree cancer colorectal metastasis
  • Hepatolithiasis (Liver stone)
  • Trauma

 Portal Hypertension

  • Lienorenal Shunt
  • Mesocaval Shunt
  • Devascularization

 Pancreas/ hepatobiliary surgeries

  • Resections for pancreas cancers and other tumours
  • Frey's procedure for Chronic Pancreatitis
  • Necrosectomy for Acute Pancreatitis
  • Pseudocyst drainage

Biliary/Colorectal Surgeries

  • Extended cholecystectomy for gall bladder cancer
  • Resections for bile duct cancer
  • Repair of postcholecystectomy bile duct injury
  • Choledochal cyst
  • Colorectal Surgery
  • Laparoscopic / Open
  • Colorectal surgery
  • Lap (R ) hemicolectomy
  • Laparoscopic Rectopexy for prolapse rectum
  • Colostrum
  • Whipple’s

 Upper GI Surgery

  • Thoracoscopicesophagectomy
  • Laparoscopic cardiomyotomy
  • Gastrostomy for stomach cancers

 Gastro-Intestinal Interventions/HPB

  • Drainage of Liver Abscess, Abdominal Collections
  • Biliary drainage and stenting in Obstructive Jaundice
  • Drainage of infected collections in Acute Pancreatitis
  • Embolization in Gastrointestinal Bleeding
  • Angioplasty of Budd-Chiari Syndrome/IVC Occlusion
  • Trans-Jugular Intrahepatic Porto-Systemic Shunt (TIPSS)- in Cirrhosis with severe bleeding or Ascites
  • Radiofrequency Ablation of Renal Tumour
  • Transarterial Chemoembolization (TACE) in
  • Liver Cancer

Areas of specialization

Laparoscopic Surgery - 

  • It is an advanced technique that allows doctors to access the organs present inside the patient’s abdomen, without the need for large incisions. 
  • Laparoscopic surgery is also commonly referred to as keyhole surgery. 
  • The surgery uses a minimally invasive approach, and detailed imaging guidance to address various gastrointestinal problems.
  • Laparoscopic surgeries are performed with the help of a special instrument, known as a laparoscope. It is a thin tube with a light source and a camera attached to one of its ends. 
  • Laparoscopic surgery comes with many benefits, which include minimal scarring, shorter hospital stay, decreased pain, reduced bleeding. 
  • The laparoscopic approach can be used in procedures like hernia surgery, appendectomy, gallbladder removal, colon surgery, anti-reflux surgery. 

 Bariatric Surgery

  • Commonly referred to as weight loss surgery, it is an umbrella term used for various surgical interventions that aim at treating obesity, especially in people with co-morbidities like diabetes. 
  • Obesity has become an alarming concern nowadays and many people find it difficult to get rid of the excess pounds despite lifestyle and dietary modifications. Bariatric surgery is an option for such people. 
  • The procedure works by reducing the patient’s appetite by removing a part of the stomach and intestines. 
  • Bariatric surgery is not an option for everyone and there are certain eligibility criteria for the same. The intended candidate needs to have a BMI of 40 or above. In case of co-morbidities, BMI of 35 will be taken into consideration.
  • Bariatric surgery can be of various different types, the most common being Sleeve Gastrectomy, Roux-en-Y Gastric Bypass, Adjustable Gastric Band, and Biliopancreatic Diversion with Duodenal Switch. 

Hernia Management

  • Hernia is a condition in which an organ present in the abdominal cavity pushes through a weak spot in the wall of the abdomen. 
  • Hernias can be of varied types, i.e. inguinal hernia, femoral hernia, incisional hernia, umbilical hernia, and hiatal hernia. 
  • The condition is marked by a bulge in the abdomen. Other common symptoms associated with hernia include abdominal pain, bowel obstruction and feeling full even after eating very little. 
  • A hernia is usually diagnosed with the help of a physical examination, as the bulge is easily evident. CT scan may be recommended for detailed assessment. 
  • Hernia can be treated surgically, using 3 different approaches - Conventional surgery, laparoscopic surgery, robotic surgery. All the 3 procedures are offered by our experts. 

Gastrointestinal Surgery 

  •  Gastrointestinal surgery is an umbrella term used for various surgical interventions that aim at addressing diseases and ailments of the organs that play a vital role in digestion. 
  • Surgery may be done to treat a condition, repair structural and functional defects, and remove malignant and benign growths.
  • Surgery is usually the last resort of treatment, recommended to patients when other treatment options fail to give the desired results. 
  • The intensity of the surgical procedures varies from person to person depending upon various factors, including the condition to be treated, its stage and the personal preference of the patient.
  • Gastrointestinal surgery can be used to treat conditions like appendicitis, gastrointestinal malignancies, diverticular disease, gallbladder disease, inflammatory bowel disease, rectal prolapse and hernia. 
  • Surgery helps to improve the quality of the patient's life by relieving pain, discomfort and other symptoms. 
  • Surgery can be performed through the conventional method, or via a minimally invasive approach.

Treatment and Surgeries

  •  Pancreatic Cancer

    Pancreatic Cancer

  • Benign and Malignant Condition of Small and Large Intestine

    Benign and Malignant Condition of Small and Large Intestine

  • Colo Rectal Cancer

    Colo Rectal Cancer

  • Colon Infection

    Colon Infection

  • Common Bile Duct Stone

    Common Bile Duct Stone

  • Diagnostic Laparoscopy

    Diagnostic Laparoscopy

  • Enterocutaneous Fistulas

    Enterocutaneous Fistulas

  • Esophagectomy (Cancer of the Esophagus)

    Esophagectomy (Cancer of the Esophagus)

  • Extended Totally Extraperitoneal Repair (e-TEP)

    Extended Totally Extraperitoneal Repair (e-TEP)

  • Gall Bladder Cancer

    Gall Bladder Cancer

  • Gall Stone Surgery (Lap Cholecystectomy)

    Gall Stone Surgery (Lap Cholecystectomy)

  • Gastroenterology


  • Gastrointestinal Bleeding

    Gastrointestinal Bleeding

  • Groin Pain

    Groin Pain

  • Hemorrhoids (Piles)

    Hemorrhoids (Piles)

  • Hepatology


  • Inflammatory Bowel Disease

    Inflammatory Bowel Disease

  • Lap For Acute Abdomen in Emergencies

    Lap For Acute Abdomen in Emergencies

  • Lap For Pediatric Problems

    Lap For Pediatric Problems

  • Lap. Appendectomy (SILS)

    Lap. Appendectomy (SILS)

  • Lap. Hernias

    Lap. Hernias

  • Laparoscopy For Benign and Malignant Conditions of Small & Large Intestines

    Laparoscopy For Benign and Malignant Conditions of Small & Large Intestines

  • Laparoscopy For Hiatus Hernia

    Laparoscopy For Hiatus Hernia

  • Laparoscopy For Pseudopancreaiic Cyst

    Laparoscopy For Pseudopancreaiic Cyst

  • Laparoscopy For Rectal Prolapse

    Laparoscopy For Rectal Prolapse

  • Laparoscopy in Various Liver Cysis

    Laparoscopy in Various Liver Cysis

  • Liver Resections

    Liver Resections

  • Management of Pancreaticobiliary Disorders and Cancer

    Management of Pancreaticobiliary Disorders and Cancer

  • Mesh Related  Complications

    Mesh Related Complications

  • MIPH (Minimally Invasive Procedure)

    MIPH (Minimally Invasive Procedure)

  • Portal Hypertension

    Portal Hypertension

  • Preoperative Progressive Pneumoperitoneum (PPP)

    Preoperative Progressive Pneumoperitoneum (PPP)

  • Radical Gastrectomy

    Radical Gastrectomy

  • Re-operational /Revision Surgery

    Re-operational /Revision Surgery

  • Rectal  Cancer

    Rectal Cancer

  • Rectal Prolapse

    Rectal Prolapse

  • STARR (Stapled Trans and Rectal Resection)

    STARR (Stapled Trans and Rectal Resection)

  • Subsutaneous Onlay Laparoscopic Approach(SCOLA)

    Subsutaneous Onlay Laparoscopic Approach(SCOLA)

  • Transversus Abdominis Release

    Transversus Abdominis Release

Our Clinical Experts


Dr. Ajay Mandal's association with Calcutta Medical Research Institute (CMRI)

Dr. Ajay Mandal's association with Calcutta Medical Research Institute (CMRI)

Learn more

Do You Have Any Query

Please fill out the form & our representative will contact you within 24hrs.

get a call back
book an appoinment

CMRI Health Blogs