Nine patients are presented in whom new malignant neoplasms developed in fields of prior irradiation. The prior irradiation had been administered to these patients for previously confirmed cancers, lesions suspected of being cancer (but never confirmed as such), and for non-neoplastic disorders. Each of these cases is relatively unique and several present the first association between prior radiation therapy and the subsequent neoplasm or neoplasms which developed.
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Sadove et al. (1981) studied this question.
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