A 3-month-old boy born at 28 weeks’ gestation has a 2-day history of bloody stools. Abdominal examination shows reduced bowel sounds. Laboratory studies show leukocytosis and decreased bicarbonate. Which of the following is most likely to be seen in this patient?
Breastfeeding jaudice
Breastmilk jaundice
Failure of formation of pleuroperitoneal membranes
Increased anal tone
Pneumatosis intestinalis