Transformed gastric mucosa-associated lymphoid tissue lymphoma originating in the colon and developing metachronously after Helicobacter pylori eradication: A case report

Figure 2 Endoscopic findings. Colonoscopy image (A) and esophagogastroduodenoscopy image (B-F). A: This image was taken at the time of discovery of colonic mucosa-associated lymphoid tissue (MALT) lymphoma (at the age of 66); B: This image was taken at the time of the discovery of chronic atrophic gastritis associated with Helicobacter pylori (H. pylori) infection (at the age of 68); C: MALT lymphoma was detected in the greater curvature of the body of the stomach 2 years and 9 months after H. pylori eradication (at the age of 70); D: MALT lymphoma was found in the fundus of the stomach 3 years and 3 months after the eradication of H. pylori (at the age of 71); E: Four years and three months after the eradication of H. pylori (at the age of 72), the lymphoma in the gastric body had progressed and transformed into diffuse large B-cell lymphoma; F: At the time of admission to our department, the lymphoma lesions had further progressed.