atrophic gastritis

Definition of gastric atrophy
National Cancer Institute

gastric atrophy

(GAS-trik A-troh-fee)
A condition marked by thinning of the inner lining of the stomach wall and the loss of gland cells in the lining that release substances that help with digestion. It may be caused by infection with the bacterium H. pylori or by certain autoimmune conditions. Gastric atrophy may increase the risk of stomach cancer.

Source: NCI Dictionary of Cancer Terms