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 are good prognostic factors in Neuroblastoma except 
Select and explain. 
A. Stage 45, B. Trk A expression, C. Trk B expression, D. Age of 1 year
C: Trk B expression
Answer: C: Trk B expression 
Explanation: Trk B expression is associated with poor prognosis.
Trk A expression is associated with Good prognosis.