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The elective background for gastric adenocarcinoma is the atrophic transformation of the gastric mucosa. The extent of mucosal atrophy basically parallels the risk of developing gastric cancer. This means that either noninvasive (serology) or invasive (endoscopy/histology) methods enabling the atrophic transformation to be quantified can be used theoretically to assess a given patient’s gastric cancer risk. This review aims to focus on the reliability of histology gastritis Operative Link for Gastritis Assessment -staging system for assessing the ‘personalized’ cancer risk in individuals with (atrophic) gastritis.