A 44-year-old woman was admitted to the hospital in March 2017 with a 5-day history of abdominal pain, vomiting, diarrhea, dysuria and urinary frequency. She was afebrile, normotensive and in sinus tachycardia. Her abdomen was distended and diffusely tender. Bowel sounds were hyperactive. No abdominal guarding or rebound pain in response to deep palpation was elicited.