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: Ophthalmology
Commonest histological type of rhabdomyosarcoma of orbit is 
Select and explain. 
A. Embryonal type, B. Alveolar type, C. Pleomorphic type, D. None of the above
A: Embryonal type
Answer: A: Embryonal type 
Explanation: Embryonal RMS

Occurs in children < 10 years of age.
Chr IIP involved.