title: Primary squamous carcinoma of the proximal large bowel. Report of a case and review of the literature.
abstract: A patient with primary squamous carcinoma of the proximal colon, who also had a previous adenocarcinoma of the large bowel, is described along with a review of the literature. Clinical features, etiologic factors, and possible pathogenesis are discussed.
mesh_terms: D000230:Adenocarcinoma / Q000473:pathology*; D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000473:pathology*; D003110:Colonic Neoplasms / Q000473:pathology*; D005260:Female; D006801:Humans; D007414:Intestinal Neoplasms / Q000473:pathology*; D007420:Intestine, Large / Q000473:pathology; D009378:Neoplasms, Multiple Primary / Q000473:pathology*