Is primary intestinal lymphoma rare in young adults? 26yo f. diarrhea, no appetite x4 weeks. all stopped once put on amitriptyline 10mg. lymphoma?

See below: Mcl primarily affects individuals at the age of over 50 years, and involves terminal ileum and jejunum appearing as numerous polyps, hence called multiple lymphomatous polyposis[45]. www.ncbi.nlm.nih.gov/pmc/articles/pmc3042647 t cell lymphoma of the small intestine accounts for approximately 10%-25% of all primary intestinal lymphomas primarily ... Local intestinal lymphoma can be ...

Rare. no lymphoma: Lymphoma of the intestine is rare. Lymphoma of anywhere is rare vs. Benign cause of diarrhea.