Coexisting early gastric adenocarcinomas of pyloric gland-type and intestinal-type with different genetic mutations in the setting of autoimmune gastritis.
We report a 58-year-old female with no significant symptoms who was found to have two distinct gastric lesions during routine endoscopy: a 15 mm lesion in the fundus, diagnosed as gastric adenocarcinoma of pyloric gland mucosa-type (GA-PGM), and a 30 mm cauliflower-like mass in the gastric body, identified as well-diff...