Frequency of Helicobacter pylori-Negative Gastric Cancer and Gastric Mucosal Atrophy in a Japanese Endoscopic Submucosal Dissection Series Including Histological, Endoscopic and Serological Atrophy

Abstract

Early gastric cancers in the Japanese endoscopic submucosal dissection series were strongly related to current or past infection with H. pylori and to gastric mucosal atrophy.