<prompt> True statement about soft tissue sarcoma isare ?Liposarcoma is rareIncisional biopsy is needed when size 5cmFNAC is diagnosticTNM staging done  <response>: Ans. is d i.e. TNM staging done Liposarcoma is the IInd MC soft tissue sarcoma and is the MC type in the retroperitoneum. Incisional biopsy is doen when the size of tumor is 3 cm and the core-needle biopsy fails. FNAC has a limited role in diagnosing soft tissue sarcoma. Ref: Sabiston 18e p790 TNM staging is done. According to the Table of radiosensitivity mentioned previously, soft tissue sarcomas are relatively radioresistant tumors. 