This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Leukemias and Lymphoma, Subject name: Pediatrics
Most common GI malignancy of childhood - 
Select and explain. 
A. Adenocarcinoma, B. Lymphoma, C. Sarcoma, D. carcinoid
B: Lymphoma
Answer: B: Lymphoma 
Explanation: Ans. is 'b' i.e., Lymphoma Over all hemangioma is most common Tumor in infant.Hemangioma is usually benign in Nature.Leukemia is most common malignancy in pediatric age gyp.2nd most common is CNS Tumor= Lymphoma is the most common malignancy of the gastrointestinal tract in children. About 30% of children with non-Hodgkin lymphoma present with abdominal tumors.