This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Surgery
[{'content': 'Nezelof&;s syndrome is recurrent episodes of: \nSelect and explain. \nA. Appendicitis, B. Cholecystitis, C. Intestinal obstruction, D. Pneumonia', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Nezelof Syndrome Nezelof syndrome (also known as "Thymic dysplasia with normal immunoglobulins") An autosomal recessive congenital immunodeficiency condition due to underdevelopment of the Thymus It causes severe infections and malignacies Treatment: Antimicrobial therapy, IV immunoglobulins, bone marrow transplantationm thymus transplantation and thymus factors) Ref: internet sources', 'role': 'assistant'}]