Question: A 38-year-old man presented with a 1-day history of constipation, abdominal distension, and central abdominal pain. He had similar episodes in the past and there was no history of weight loss, vomiting, or bleeding per rectum.
Question: A 38-year-old man presented with a 1-day history of constipation, abdominal distension, and central abdominal pain. He had similar episodes in the past and there was no history of weight loss, vomiting, or bleeding per rectum.