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
In necrotising enterocolitis earliest change seen in X–ray abdomen is – 
Select and explain. 
A. Non specific bowel dilatation, B. Gas in the intestinal wall, C. Gas in splenic flexure, D. Ground glass appearance
A: Non specific bowel dilatation
Answer: A: Non specific bowel dilatation 
Explanation: Earliest X-ray finding in neonatal necrotizing enterocolitis --> Nonspecific dilatation of intestine.
Characteristic X-ray finding of neonatal necrotizing enterocolitis --> Pneumatosis intestinalis (Gas in intestinal wall).