Stomach Cancer
Cancer of the stomach lining, often linked to H. pylori infection. Symptoms can be vague early on.
Quick Summary
Indigestion, upper tummy pain, feeling full quickly, nausea, vomiting, weight loss, black stools and difficulty swallowing.
Surgery, chemotherapy and radiotherapy.
H. pylori infection, smoking, salty and smoked foods, family history and older age.
Overview
Stomach cancer develops slowly over years. It's more common in some parts of India, such as the north-east.
Indigestion with warning signs such as weight loss, vomiting or black stools, especially after 50, needs an endoscopy.
Symptoms
Indigestion
Persistent.
Weight loss
Without trying.
Black stools
Or vomiting blood.
Feeling full
After small meals.
Causes & Risk Factors
Biological Causes
Long-term inflammation of the stomach lining, often from H. pylori.
Key Risk Factors
- H. pylori A major cause.
- Diet Salted, smoked and pickled foods.
- Smoking Increases risk.
Management & Treatment
01. Surgery
Removing part or all of the stomach.
02. Chemotherapy
Before and after surgery.
03. Supportive care
Nutrition support.
Frequently Asked Questions
Does treating H. pylori reduce risk?
How is it diagnosed?
Sources and further reading
Last updated 21 October 2026. For more detail, see these trusted health organisations.
- Stomach Cancer(opens in a new tab) · MedlinePlus, US National Library of Medicine
- Stomach cancer(opens in a new tab) · NHS