All are malignant tumors except: (A) Chloroma, (B) Fibromatosis, (C) Askin's tumor, (D) Liposarcoma
Answer is B. Ref Robbins 7/p770; Harrison 16/e p633;9/e p1221_1222 Fibromatosis are a group of fibroblastic proliferation through they are locally aggressive, they do not metastasize superficial and deep fibromatosis Plamar ,plantar,penial fibromatosis are superficial type,