Malignant leiomyoma (leiomyosarcoma) of the retroperitoneum simulating sarcoma of the pancreas.
D006801:Humans; D007889:Leiomyoma; D007890:Leiomyosarcoma; D010179:Pancreas; D010190:Pancreatic Neoplasms; D012186:Retroperitoneal Neoplasms
LEIOMYOSARCOMA; PANCREAS/neoplasms