This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urology, Subject name: Surgery
[{'content': 'The prognosis of rhabdomyosarcoma is likely to be poor if the site of the tumour is \nSelect and explain. \nA. Orbit, B. Para testicular, C. Extremity, D. Urinary bladder', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Rhandomyosarcoma Rhabdomyosarcoma Arises from Mesenchymal tissues MC sites of origin : Head and neck (Parameningeal) > Extremities > Genitourinary tract > Trunk MC pediatric soft tissue sarcoma : Rhabdomyosarcoma Associated with : NF, Beckwith- Weidman syndrome, Li-Fraumeni and fetal alcohol syndrome Prognosis of Rhabdomyosarcoma Favourable primary sites Unourable primary sites Orbit Nonparameningeal head and neck Paratestis Vagina Extremity Parameningeal Ref: Devita 9th edition Pgno : 1780-1784', 'role': 'assistant'}]