A non-Hodgkin or Hodgkin lymphoma that arises from the small intestine. The disease is Monarch Disease Ontology term MONDO_0001852 (small intestine lymphoma). Also known as: lymphoma of small bowel, lymphoma of small intestine, lymphoma of the small bowel, lymphoma of the small intestine, primary small intestinal lymphoma, small bowel lymphoma, small intestinal lymphoma.