Fig. 2
From: Development of metachronous rectal cancers in a young man with dyskeratosis congenita: a case report
a Endoscopic examination showed an ulcerative tumor in the rectum. b Pathological examination of the resected first rectal tumor revealed well-differentiated or moderately differentiated adenocarcinoma. c Endoscopic examination showed superficial elevated tumor in the rectum. d Pathological examination of the resected second rectal tumor revealed well-differentiated or moderately differentiated adenocarcinoma