An 87-year-old woman with a history of hypertension and peptic ulcer was presented to ED for 3-day history of abdominal distention, pain in the epigastrium, and watery diarrhea. She was hypotensive (78/49mm Hg) and had diffuse abdominal tenderness with guarding. An abdominal radiograph (Panel A) and CT (Panel B) were obtained.

Identify complication from attached radiograph and CT image. *This case is from Docplexus editorial team for educative purpose only. Source: NEJM Stay Connected, the answer will be posted in the next 48h!