This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Rhabdomyosarcoma with best prognosis depending on site is: 
Select and explain. 
A. Orbit, B. Bladder, C. Prostrate, D. None of the above
A: Orbit
Answer: A: Orbit 
Explanation: The prognosis for rhabdomyosarcoma is related to the site of origin. Primary sites associated with more orable prognoses include the orbit and nonparameningeal head and neck, paratestis and vagina (nonbladder, nonprostate genitourinary), and the biliary tract. Ref: Schwaz's principle of surgery 9th edition, chapter 39.