<unk>  is a sign on x-ray which is highly suggestive for necrotizing enterocolitis. The literal meaning is gas in the bowel wall, as opposed to in the lumen which is normal.<unk>  <unk>  is defined as the presence of gas in the bowel wall.<unk>  is associated with numerous conditions, ranging from benign to life threatening.
Pneumatosis intestinalis
Bile plug syndrome
Vesicointestinal fistula
Gallbladder volvulus
Splenic rupture
Gallstone ileus
Distal intestinal obstruction syndrome
Mesenteric ischemia