A 22-year-old male presents to the emergency department with a 16-hour history of periumbilical pain that has now migrated to the right lower quadrant. On examination, he has tenderness at McBurney's point with guarding and rebound. Ultrasound abdomen is performed. The structure marked **A** in the diagram shows a non-compressible, blind-ending tubular structure. Which of the following best describes the pathophysiological consequence of obstruction of this structure?