Squamous-cell carcinoma of the anal canal: review of 21 cases.
D000368:Aged; D001005:Anus Neoplasms / Q000175:diagnosis / Q000401:mortality / Q000473:pathology / Q000532:radiotherapy / Q000601:surgery; D002294:Carcinoma, Squamous Cell; D005260:Female; D006801:Humans; D008113:Liver Neoplasms; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis