Large gastric hamartomatous inverted polyp accompanied by advanced gastric cancer: A case report

Figure 1 Initial and follow-up endoscopic findings. A: Initial esophagogastroduodenoscopy (EGD) showing two whitish ulcerative lesions at the posterior wall of the mid-body; B: In the first follow-up EGD, the lesions are healed with a reddish scar and several bulging areas of normal mucosa on the peripheral; C: The last follow-up EGD presents a 4.5 cm-sized ulcero-infiltrative lesion in the posterior wall of the mid-body; D: In the retroflexed view, this lesion is covered with an unevenly distributed regenerative epithelium and whitish discoloration. The tumor is identified as a well-differentiated adenocarcinoma.