True statement about soft tissue sarcoma is/are ?
Liposarcoma is rare
Incisional biopsy is needed when size > 5cm
FNAC is diagnostic
TNM staging done
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 18/e p790) TNM staging is done. According to the Table of radiosensitivity mentioned previously, soft tissue sarcomas are relatively radioresistant tumors.