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: Pediatrics
All of the following are good prognostic factors for childhood. All except - 
Select and explain. 
A. Hyperdiploidy, B. Female sex, C. Pre B cell ALL, D. All
C: Pre B cell ALL
Answer: C: Pre B cell ALL 
Explanation: Ans. is 'c' i.e., Pre B-Cell ALL o Pre B cell ALL has poor prognosis.