Chemotherapy following surgery for stages IE and IIE non-Hodgkin's lymphoma of the gastrointestinal tract.
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abstract
Twenty-six patients were treated with chemotherapy following surgery for gastrointestinal non-Hodgkin's lymphoma (GI-NHL). The median age was 50 years (range, 20 to 76). The primary site included stomach (16 patients), small bowel (seven), large bowel (two), and mesenteric nodes (one). Following surgery, nine patients had macroscopic and four patients had microscopic residual disease, and 13 were felt to have had complete surgical resection. Thirteen patients were stage I and 13 were stage II. Sixteen patients were treated with COPP (cyclophosphamide, vincristine, procarbazine, prednisone), nine with CHOP (cyclophosphamide, doxorubicin, vincristine, prednisone), and one with CVP (cyclophosphamide, vincristine, prednisone). At a median follow-up of 50 months (8+ to 178+ months) ten of 12 stage I patients and nine of 14 stage II patients remain alive. Of the nine patients with macroscopic residual disease, four died of disease 6.5 to 11.0 months after diagnosis, and five are alive 8+ to 178+ months from diagnosis. Fourteen of the remaining 17 patients who had complete surgical resection are alive without disease. Death in the other three patients was due to multiple abdominal abscesses at 12 months, adenocarcinoma of the colon at 57 months, and dementia and progressive neurologic dysfunction at 65 months. No patient who had complete resection has relapsed or developed systemic disease after chemotherapy. These results suggest that complete surgical resection is an important prognostic factor and that chemotherapy without irradiation in completely resected localized GI-NHL can prevent local and systemic relapse resulting in long-term disease-free survival.
