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  • Title: Paradoxical effect of radiation on tumor incidence in the rat: implications for radiation therapy.
    Author: Hellman S, Moloney WC, Meissner WA.
    Journal: Cancer Res; 1982 Feb; 42(2):433-6. PubMed ID: 7055798.
    Abstract:
    The high incidence of leukemia in the Fischer rat is reduced by radiation to an incidence below that seen spontaneously. Fractionating the radiation decreased this effect. In contrast, mammary tumors increased with dose until reaching a plateau at the highest doses. Fractionation had little effect. These results are consistent with a hypothesis suggesting that tumor incidence due to radiation is the result of competing processes of tumor induction and cell killing.
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