This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Commonest site for lymphoma in GIT is ? 
Select and explain. 
A. Stomach, B. Duodenum, C. Ileum, D. Rectum
A: Stomach
Answer: A: Stomach 
Explanation: Ans is 'a' ie stomach "The stomach is the most frequent extranodal site for lymphomas. Microscopically, the vast majority of gastric lymphoid tumors are non-Hodgkins lymphomas of B cell origin, Hodgkins ds involving the stomach is extremely uncommon." - Harrison