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
The most impoant determinant of prognosis in Wilm's tumor is - 
Select and explain. 
A. Stage of disease, B. Loss of heterozygosity of chromosome Ip, C. Histology, D. Age less than 1 yr at presentation
C: Histology
Answer: C: Histology 
Explanation: Ans. is 'c' i.e. Histology "The histology of Wilm's tumor was identified as the most impoant determinant of prognosis." - Devita's Cancer