Obstructive Jaundice Secondary to Primary Duodenal Lymphoma with CMV Duodenitis Causing Upper GI Bleed in Retro-Positive Patient: A Case Report.

Gastrointestinal (GI) tract is the most common site of extranodal lymphoma. Primary GI lymphoma constitutes a small amount of all lymphomas. Primary duodenal lymphoma presenting initially with obstructive jaundice is very rare.