PRIMARY tumors of the small intestine are relatively rare, and constitute a group of lesions that are difficult to diagnose clinically. The majority of the reported series of cases have been derived from autopsy material. In these reports it is difficult to compare the clinical course and the pathology since in many instances the diagnosis was not made prior to postmortem examination. Malignant lesions of the small bowel are reported to account for about 1% of all gastrointestinal carcinomas. The overall fiveyear survival has not been good, but recently there have been reports of early diagnosis and operation with a more optimistic long-term outlook.2,5 Since more frequent routine medical examinations are performed today and a greater number of patients are having radiographic examination of the intestinal tract, earlier diagnosis of lesions of the small intestine might be anticipated. With this in mind the hospital records of patients with either