This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
Which one of the following is not a feature of congenital hyperophic pyloric stenosis 
Select and explain. 
A. More common in males, B. Projectile vomiting, C. Diarrhea, D. Malnutrition
C: Diarrhea
Answer: C: Diarrhea 
Explanation: Congenital hyperophic pyloric stenosis is a proximal type of intestinal obstruction, so it results in absolute constipation in which neither flatus or faeces is passed. Reference SRB 5 th edition page no:821