Which common complication after liver transplantation can later lead to lymphoma?

Which common complication after liver transplantation can later lead to lymphoma?

A 3-year-old manifests the sudden onset of drooling and coughing. He is anxious and refuses to eat. His voice is normal, and his lung examination results also are normal. The most likely diagnosis is

The patient in Question 40 is carefully evaluated. All electrolytes are normal, a plain abdominal x-ray (KUB) reveals multiple air fluid levels, but the barium small bowel follow-through is negative for an anatomic site of obstruction. The most likely etiology of the patient's distention and vomiting is

A 9-year-old white male presents with a 3-month history of epigastric abdominal pain that is intermittent, aching, and lasts for 10-15 minutes. Pain is also present at night. Stool examination for occult blood is positive. The most likely diagnosis is

The disease in Question 51 is also noted with higher prevalence in patients with all of the following EXCEPT