retroperitoneal neoplasm

Etiology

• germ cell neoplasm (may be large at presentation)
• kidney neoplasm
• adrenal neoplasm
• Schwannoma
• leiomyosarcoma

More general terms

• neoplasm; tumor
• retroperitoneal disease

More specific terms

• benign pretroperitoneal neoplasm
• secondary peritoneal/retroperitoneal cancer

Additional terms

• retroperitoneum (peri/pararenal fat)