A 35-year-old man presented with a 10-day history of recurrent crampy abdominal pain, distension, nausea, vomiting and alternating constipation and diarrhea. His medical history was significant for an appendectomy, done many years earlier. Physical examination revealed dehydration and some abdominal distension but no visible external hernia. Smallbowel follow-through with barium and intraoperat...