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Relative risks (RRa) of mortality and 95% confidence intervals for selected cancers in relationship to organ dose. The dose scales vary by cancer site. aRelative risks were calculated by using the no radiotherapy group at the referent, relative risks for lymphatic/hematopoietic cancers were calculated based on standardized mortality rate regression. bAverage bone marrow dose was used for leukemia and lymphomas. cChromic lymphocytic leukemia.
