01 · PATIENT GUIDES
Gallbladder
Gallstones, gallbladder attacks and when removal is the answer — symptoms, diagnosis and recovery.
Medical insightsfor better health.
Doctor-led articles on treatment choices, surgical education and recovery — the questions that do not fit into a ten-minute consultation, answered properly.
- 8 in-depth articles
- 236 more in the doctor's library
- Evidence-led
Medically reviewed
Every article is reviewed by Dr. Avinash Tank.
01 / THE LIBRARY
Read, then
decide with clarity.
Search or filter by topic. Each article ends with the treatment it relates to and a way to talk to the surgeon.
8 articles
- Patient Guidance
Second Opinion 11 min read
How to Choose the Right GI Surgeon: A Patient's Complete Checklist
Qualifications, questions to ask, red flags to avoid, and how to tell a genuinely honest surgical opinion from an over-treated one — a complete checklist before you commit to surgery.
Reviewed by Dr. Avinash TankUpdated 1 Aug 2026 
JaundiceLiver · Bile Duct 11 min read
Yellow Eyes (Jaundice): Causes and When It Becomes an Emergency
Yellowing of the eyes and skin is a signal that should never be ignored. Here are the common causes of jaundice and the warning signs that mean you need help now.
Reviewed by Dr. Avinash TankUpdated 1 Jun 2026
PilesProctology 11 min read
Piles: Myths, Facts and Modern Painless Treatment
Piles are common, treatable and rarely need the painful surgery people fear. Separating the myths from the facts — and when bleeding needs urgent checking.
Reviewed by Dr. Avinash TankUpdated 1 Jun 2026
AcidityGERD · Hiatus Hernia 11 min read
Acidity That Won't Go Away: When Reflux Needs Surgery
Most acidity settles with medicine — but reflux that keeps coming back, or returns the moment you stop tablets, may need a permanent surgical fix. Here is how to tell.
Reviewed by Dr. Avinash TankUpdated 1 Jun 2026
DiabetesBariatric Surgery · Metabolic 12 min read
Metabolic Surgery and Type 2 Diabetes Remission: The Evidence
How weight-loss surgery puts Type 2 diabetes into remission — often within weeks — and who is most likely to benefit.
Reviewed by Dr. Avinash TankUpdated 1 Jun 2026
Colon CancerScreening · Colonoscopy 13 min read
Colon Cancer Screening: Who, When and Why It Saves Lives
Screening colonoscopy can prevent colon cancer, not just detect it. Here is who should be screened, when to start, and exactly what to expect.
Reviewed by Dr. Avinash TankUpdated 1 Jun 2026- Gallbladder
Laparoscopic Surgery 12 min read
Why Laparoscopic Surgery Became the Standard for Gallbladder Disease
A plain-language look at how laparoscopic surgery transformed gallbladder treatment — faster recovery, smaller scars, and the same safety in experienced hands.
Reviewed by Dr. Avinash TankUpdated 1 Jun 2026
02 / MORE FROM THE DOCTOR'S LIBRARY
Hundreds more guides,
by subject.
236 patient guides and articles by Dr. Avinash Tank, each paired with its treatment at Dwarika Hospital.
02 · PATIENT GUIDES
GERD & acidity
Persistent acidity and reflux — why medicines stop working, and when surgery helps.
03 · PATIENT GUIDES
Liver
Fatty liver, cirrhosis, jaundice and liver tumours — what the tests show and what can be done.
04 · PATIENT GUIDES
Pancreas
Pancreatitis and pancreatic tumours — diagnosis, staging and treatment explained.
05 · PATIENT GUIDES
Stomach
Gastritis, ulcers and stomach cancer — when a stomach problem needs a specialist.
06 · PATIENT GUIDES
Colon & rectum
Bowel changes, polyps and colorectal cancer — screening, diagnosis and surgery.
07 · PATIENT GUIDES
GI cancer
Digestive cancers explained for patients and families who have just been told.
08 · PATIENT GUIDES
Hernia
Inguinal, umbilical, incisional and hiatus hernia — when repair is needed and how it is done.
09 · PATIENT GUIDES
Bariatric & weight loss
Obesity, its causes, and what weight-loss surgery can and cannot do.
10 · PATIENT GUIDES
Endoscopy
Gastroscopy, ERCP and EUS — what the test involves and how to prepare.
11 · PATIENT GUIDES
Colonoscopy
What a colonoscopy finds, how to prepare, and why screening matters.
12 · PATIENT GUIDES
Diabetes & metabolic health
Type 2 diabetes, metabolic health and when surgery can bring remission.
Dr. Avinash Tank
Director & Chief Surgical Gastroenterologist03 / WHO WRITES THESE
Experienced hands.
A familiar face.
Meet Dr. Avinash Tank, the surgeon leading Dwarika’s team. Trained at SGPGIMS — India's premier GI institute — with advanced fellowships in Japan and South Korea.
MCh · SGPGIMSFellowships in Liver, Pancreas & Bariatric SurgeryInvited faculty · ASIRAJ 2026
- 25+
- Years of surgical practice
- 10,000+
- Bariatric & GI surgeries in his career
Figures reflect Dr. Avinash Tank’s career record, as published by his practice.
FROM THE SURGICAL COMMUNITY
Written by a surgeon who teaches surgeons.
Dr. Avinash Tank was invited faculty at ASIRAJ 2026, the Annual Conference of the Association of Surgeons of India — Rajasthan Chapter, in Bikaner — presenting “Difficult Laparoscopic Cholecystectomy for Acute Cholecystitis with GB Perforation”.
Read the academic profile04 / SEE THE OUTCOMESCASE LIBRARY
Real patients.
Documented outcomes.
Every case below is a documented operation by our surgical team — anonymised, and told as it happened. Individual results vary.
GALLBLADDER
Laparoscopic Cholecystectomy
Before.A patient in their 40s with years of recurrent right-upper-abdomen pain, several past attacks of gallstone inflammation, and growing fear of a "big…
After.Home the next day, pain-free, back to normal life within a week with three tiny scars.
COLON
Colonoscopy & Polypectomy
Before.A patient in their 50s with a family history of colon cancer and subtle change in bowel habit, anxious about screening.
After.Pathology confirmed a pre-cancerous lesion removed completely — a cancer prevented.
BILE DUCT
ERCP & Stenting
Before.A patient arrived with yellow eyes, dark urine and itching that had worsened over a week.
After.Jaundice and itching settled within days; liver tests normalised over the following weeks.
LIVER
Liver Resection
Before.A patient with vague upper-abdomen discomfort and a mass found on a routine scan, referred for an opinion on whether surgery was even possible.
After.The patient recovered well; the liver regenerates, restoring near-normal function over the following weeks.
STOMACH · DIAPHRAGM
Laparoscopic Hiatus Hernia Repair & Fundoplication
Before.A patient with 10+ years of heartburn and regurgitation, dependent on daily acid-suppressing tablets with declining relief.
After.Reflux resolved; the patient came off daily acid medication and could eat and sleep normally again.
STOMACH
Laparoscopic Sleeve Gastrectomy
Before.A patient with severe obesity, type-2 diabetes on rising medication, high blood pressure and sleep apnoea, after years of failed diets.
After.Significant, sustained weight loss followed; type-2 diabetes went into remission with medication greatly reduced.
05 / WATCH · FROM OUR SURGEONSFULL VIDEO LIBRARY
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DISCUSS YOUR CONDITION
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An article can explain a condition; only an examination can explain yours. Bring your reports and we will tell you plainly what the options are.
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