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: Pathology
Pneumatosis intestinalis is diagnostic of - 
Select and explain. 
A. Ileal perforation, B. Necrotizing enterocolitis, C. Meconium ileus, D. Colonic aganglionosis
B: Necrotizing enterocolitis
Answer: B: Necrotizing enterocolitis 
Explanation: None