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Intestinal hemorrhage due to arteriodigestive fistula is described to be a rare and serious complication of radiotherapy. Three cases of this type of fistula in gastric cancer patients treated with gastrectomy, intraoperative electron boost (15 Gy), and fractionated external beam irradiation (46 Gy) are reported. Selective angiography is most helpful in the diagnosis and immediate surgery could be lifesaving. An attempt to explain the etiopathogenesis is made.
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Villa et al. (1992) studied this question.
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