title: Unsuspected malignant tumors.
mesh_terms: D000230:Adenocarcinoma / Q000175:diagnosis; D001344:Autopsy; D002277:Carcinoma / Q000175:diagnosis; D006528:Carcinoma, Hepatocellular / Q000175:diagnosis; D006801:Humans; D007680:Kidney Neoplasms / Q000175:diagnosis; D008113:Liver Neoplasms / Q000175:diagnosis; D008175:Lung Neoplasms / Q000175:diagnosis; D008297:Male; D008875:Middle Aged; D009369:Neoplasms / Q000175:diagnosis* / Q000473:pathology