title: X-ray differential diagnosis: the large retroperitoneal mass in the adult.
mesh_terms: D000230:Adenocarcinoma / Q000000981:diagnostic imaging; D000328:Adult; D003937:Diagnosis, Differential; D005260:Female; D005729:Ganglioneuroma / Q000000981:diagnostic imaging; D006801:Humans; D008080:Liposarcoma / Q000000981:diagnostic imaging; D008875:Middle Aged; D010673:Pheochromocytoma / Q000000981:diagnostic imaging; D011859:Radiography; D012186:Retroperitoneal Neoplasms / Q000000981:diagnostic imaging*