This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Oncology, Subject name: Surgery
[{'content': 'Most common site of rhabdomyosarcoma is: \nSelect and explain. \nA. Orbit, B. Nasopharynx, C. Extremities, D. Hypopharynx', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Most common site of rhabdomyosarcoma is HEAD & NECK (orbit among the given options). RHABDOMYOSARCOMA Rhabdomyosarcoma arises from mesenchymal tissues. MC sites of origin: Head & neckQ (parameningealQ)>Extremities >Genitourinary tract >Trunk MC pediatric soft tissue sarcoma: RhabdomyosarcomaQ Associated with: NF, Beckwith-Weidman syndrome, Li-fraumeni and Fetal alcohol syndrome', 'role': 'assistant'}]