Diffuse malignant mesothelioma of the peritoneum.
D001201:Ascites / Q000175:diagnosis; D005260:Female; D006801:Humans; D008297:Male; D008654:Mesothelioma / Q000473:pathology; D008875:Middle Aged; D010534:Peritoneal Neoplasms / Q000175:diagnosis / Q000473:pathology