[Histogenesis of colorectal carcinoma--cancerization by progression].
D000236:Adenoma / Q000473:pathology*; D000818:Animals; D002471:Cell Transformation, Neoplastic; D003110:Colonic Neoplasms / Q000473:pathology*; D003111:Colonic Polyps / Q000473:pathology*; D006801:Humans; D012004:Rectal Neoplasms / Q000473:pathology*