title: Carcinoma of the prostate presenting as obstructive carcinoma of the rectum.
mesh_terms: D000135:Acid Phosphatase / Q000097:blood; D000230:Adenocarcinoma / Q000175:diagnosis* / Q000473:pathology; D000368:Aged; D001706:Biopsy; D003937:Diagnosis, Differential; D006801:Humans; D008207:Lymphatic Metastasis; D008297:Male; D008722:Methods; D009362:Neoplasm Metastasis; D011471:Prostatic Neoplasms / Q000175:diagnosis* / Q000201:enzymology / Q000473:pathology; D012004:Rectal Neoplasms / Q000175:diagnosis*; D014567:Urography
chemical_list: D000135:Acid Phosphatase