A 74-year-old woman presented to the emergency department with a 3-day history of lower abdominal pain, nausea, and vomiting. A plain-film radiograph of the abdomen showed marked dilatation of bowel loops and abrupt termination of gas within the descending colon, referred to as a colon cutoff sign.

The colon cutoff sign is classically described in association with which disease process? *This case is from Docplexus Editorial Team for educative purpose only Source: NEJM Click here for correct answer!