The significance of vein invasion by cancer of the rectum and sigmoid; a microscopic study of 210 cases.
D012809:Colon, Sigmoid; D006801:Humans; D009369:Neoplasms; D012004:Rectal Neoplasms; D012007:Rectum; D012811:Sigmoid Neoplasms; D014680:Veins
RECTUM/cancer; SIGMOID/cancer; VEINS/cancer