A 74- year old male was admitted to St. Mary's Hospital due to symptoms of diarrhea and fever. He was diagnosed with MALToma in the jejunum 6 months previously, but had refused any treatment. This time, an endoscopy revealed multiple erosions and nodular mucosa in the body, fundus of the stomach and 3rd portion of duodenum. Abdominal computed tomography showed wall thickening in 3rd portion of the duodenum and upper jejunum with multiple lymph nodes enlargement. Additionally, an endoscopic biopsy revealed MALToma in the stomach and duodenum. Salmonella group B grew in a blood culture and a chest PA determined pneumonic infiltration in the left lower lobe. He received sulperazone for 7 days, but again refused any further treatment and was thereby discharged after had improved condition. (Korean J Gastrointest Endosc 18: 917-921, 1998)