Gamuts
Retroperitoneal sarcoma
May Cause
Budd-Chiari syndrome
Displacement of pelvic ureter
Displacement of small bowel loops
Enlarged iliopsoas muscle
Extrinsic pressure deformity of bladder
Lower abdominal mass in a neonate or child
Obstruction of ureter
Pelvic mass in an infant or child
Renal parenchymal tumor
Retroperitoneal mass
Splenic vein obstruction
Upper abdominal mass in a neonate or child
Urothelial tumor