text: Primary resection of tumor is one of the main prognostic factors in<unk> . However, surgical resection of the<unk>  is often difficult or impossible because the tumor is usually embedded deep within the tissue, leaving it difficult to reach. Surgical tumor resection must contain complete tumor removal with performing safe margin resection. In case of narrow margins, several biopsies are needed to identify residual disease. If surgical excision could not be performed, 12 weeks chemotherapy is recommended. Assessment of lymph nodes are essential as well such as assessment of axillary and femoral lymph nodes in<unk>  of extremities.
option_0: Rhabdomyosarcoma surgery
option_1: Kaposi's sarcoma surgery
option_2: Ewing's sarcoma surgery
option_3: Warthin's tumor surgery
option_4: Osteosarcoma surgery
option_5: Myxoma surgery
option_6: Breast lumps surgery
option_7: Liposarcoma surgery