A 44-year-old man with upper abdominal pain, diarrhea and 25 kg weight loss since 3 months ago was admitted. He had a history of dyspepsia and peptic ulcer disease 4 months before admission. Gastroduodenal endoscopy and upper gastrointestinal series with barium study were done. Biopsies and CT-scan ruled out malignancies. Endoscopy and radiology studies revealed a duodenocolic fistula. He underwent right hemicolectomy, fistula en bloc excision, and distal gastrectomy surgery with gastrojejunostomy and ileocolic anastomosis. Radiologic modalities are necessary before surgery. Surgery is the only curative treatment in benign cases and reconstruction method is dependent on patient's situation.