软组织肉瘤是一组来源于中胚层的恶性肿瘤。发病部位以四肢最为多见,约占全部病例的60%,另外腹膜后占15%,头颈部占10%,其余发生于腹壁、胸壁等部位[1]。软组织肉瘤发病率约为2/10万至3/10万,占成人恶性肿瘤的1%,但其病死率占所有癌症相关病死率的2%[2]。因此提高肢体软组织肉瘤 Soft tissue sarcoma is a group of mesodermal malignancies. The incidence of limbs to the most common, accounting for 60% of all cases, in addition to 15% of retroperitoneal, head and neck accounted for 10%, the rest occurred in the abdominal wall, chest wall and other parts [1]. The incidence of soft tissue sarcoma is about 2 / 100,000 to 3 / 100,000, accounting for 1% of adult malignancies, but its mortality rate accounts for 2% of all cancer-related mortality [2]. So to improve limb soft tissue sarcoma