title: WEEKLY clinicopathological exercises; leiomyosarcoma, retroperitoneal, with invasion of tail of pancreas, hilus of spleen and splenic vein.
mesh_terms: D006801:Humans; D007890:Leiomyosarcoma; D009217:Myosarcoma; D010179:Pancreas; D013154:Spleen; D013162:Splenic Vein