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Primary small intestinal lymphoma.

Gastro-intestinal tract is the most common site of extranodal presentation in non-Hodgkin's lymphoma. Among the subsites the small intestine predominates. This paper presents a review of 21 cases of primary gastro-intestinal lymphoma seen at the Department of Radiation Oncology, Christian Medical College, Vellore, during the period 1979-1986. All patients had laparotomy, and biopsy from the primary site. Histopathological subtypes were done in the International Working Formulation. Stage groupings were done applying the Crowther and Blackledge staging system. Post-laparotomy treatment decision was made depending on the patient's general condition, completeness of surgery and histological subtype. The overall survival rate was 31.5% at 5 years. Early stage disease and high-grade lymphomas have a better prognosis if treated adequately.