What is the role of smoking in the etiology of gastric cancer?

Updated: May 21, 2019
  • Author: Elwyn C Cabebe, MD; Chief Editor: N Joseph Espat, MD, MS, FACS  more...
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Answer

Smoking is associated with an increased incidence of stomach cancer in a dose-dependent manner, both for number of cigarettes and for duration of smoking. Smoking increases the risk of cardiac and noncardiac forms of stomach cancer. [15] Cessation of smoking reduces the risk. A meta-analysis of 40 studies estimated that the risk was increased by approximately 1.5- to 1.6-fold and was higher in men. [16]


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