A 4-year-old girl presented to the hospital with progressive abdominal pain and distention after a 1-week history of watery diarrhea. The physical examination showed a body temperature of 36.2°C, a distended abdomen, hypoactive bowel sounds, and diffuse tenderness without rebound pain. The laboratory evaluation revealed a white-cell count of 5000 per cubic millimeter, with 63% segmented neutrophils, What is the diagnosis? Ankylosing spondylitis Ascending cholangitis InteWhat is the diagnisusstinal obstruction Pancreatitis Perforation of a viscus