my “os 6 e “oe might be anticipated, A table correlating age, sex, and ovarian and breast tumor ineidence will be given. Tuncra of the lung, liver, adrenal, kidney, etc., have bean observed with the . . regularity, butincidence of thase neoplasms bas not yet been analyzed. Fatal glomerular degeneration of the kidney cecurred frequently at dose levels above S00 r (Chart 7). The lesion ts interpreted, 4n the Light of norphologie ‘evidence (Fig. 3), aga doqenaration ‘of the Gmerviar capillary, sonavint reawihling diabetic glomerciceclercais. T% euluinstes in wepivosclerosis and renal failure, often with generalised arterioaclerotic changes, The pathogenesis of this abnormality -reseins to be denonatrateds however, its relation to irradiation is indicated conclusively. Large doses of radiation have been reported to induce similar changes in the kicneys of man and other aninals, Regenerative changes in the adrenal gland were frequent among the irradiated animals; they will be discussed in relation to pituitary tumors. DOR ARCHIVES -