Stomach Cancer

Cancer of the stomach lining, often linked to H. pylori infection. Symptoms can be vague early on.

CancerLast updated: 21 October 2026

Quick Summary

Primary Symptoms

Indigestion, upper tummy pain, feeling full quickly, nausea, vomiting, weight loss, black stools and difficulty swallowing.

Common Treatments

Surgery, chemotherapy and radiotherapy.

Risk Factors

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?
Yes.
How is it diagnosed?
With endoscopy and biopsy.

Sources and further reading

Last updated 21 October 2026. For more detail, see these trusted health organisations.