<prompt> Most common location of lymphoma in the G.I.T?StomachIleumMesenteryColon  <response>: Ans. a Stomach Primary gastric lymphoma is an uncommon condition, accounting for less than 15 of gastric malignancies and about 2 of all lymphomas. However, the stomach is a very common extranodal site for lymphomas lymphomas originating somewhere else with metastasis to stomach.It is also the most common source of lymphomas in the gastrointestinal tract. 