Fig. 3

Pathological examination. a: Colposcopic biopsy: Microscopic hematoxylin-eosin stained section with an original magnification of 100 showed squamos epithelium with a few lymphocytes infiltrating the stroma. b: TVS-guided vaginal wall biopsy: A microscopic hematoxylin-eosin-stained section with an original magnification of 400 showed adenocarcinoma cells that contained considerable mucus with a nucleus pushed into a crescent shape. c: Colorectal colonoscopy: A microscopic hematoxylin-eosin-stained section with an original magnification of 400 (ileocecal valve and rectal) showed adenocarcinoma cells that contain considerable mucus with a nucleus pushed into a cresent shape. d: Immunohistochemistry showed neoplastic cells that stained positive for CK