Gastric Cancer: An Epidemiological Overview

Abstract

Gastric cancer constitutes one of the leading causes of cancer incidence and mortality in the worldwide despite its decline over the past century. In this article we will first review descriptive epidemiology of gastric cancer. Next we will discuss its precursors and risk factors; the principal risk factors of stomach cancer are HP Infection, smoking, high salt intake and genetic factors. Finally we will discuss screening strategies and prevention of gastric cancer.