[Internal medicine aspects of retroperitoneal tumors].
D000792:Angiography; D003537:Cystadenoma / Q000000981:diagnostic imaging; D006406:Hematoma / Q000000981:diagnostic imaging; D006801:Humans; D007668:Kidney / Q000000981:diagnostic imaging; D008220:Lymphography; D008722:Methods; D010673:Pheochromocytoma / Q000000981:diagnostic imaging; D012186:Retroperitoneal Neoplasms / Q000000981:diagnostic imaging*; D012188:Retropneumoperitoneum; D012509:Sarcoma / Q000000981:diagnostic imaging