Squamous-cell carcinoma of the anal canal: a metastatic lesion.
D001005:Anus Neoplasms / Q000473:pathology* / Q000601:surgery; D002294:Carcinoma, Squamous Cell / Q000473:pathology*; D006338:Heart Neoplasms / Q000473:pathology*; D006801:Humans; D008175:Lung Neoplasms / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis / Q000473:pathology*