the examiners, With the exception of a malignant thyroid nodule, to be described below, no malignant lesions were detected, and only a few benign soft-tissue tumors were found, There was a marked tendency for extensive dental caries in young adults, On the whole, both exposed and unexposed populations have an evidently good nutrition, and give the impression of good general health, Physical abnormalities in the adults are tabulated in Table I. Residual Skin Lesions, The residual skin lesions in both adults and children are presented in Table II, There were few changes in the skin lesions compared with the report of last year. There were no cases of chronic radia- tion dermatitis or cancer of the skin noted, Pediatric Examinations The pediatric examinations followed the patterns established in previous years and included a brief interval history, routine clinical examination, photograph, a roentgenogram of the left hand and wrist, and physical anthropometry. Special attention was directed this year to the palpatory findings in the neck and thyroid gland areas, The numbers of children examined in 1965 are summarized below: Exposed group 23 Unexposed group (800-900 series) 108 Children born to exposed parents 48 Total 179 The steady decrease in the size of the exposed group from one examination to the next merely reflects the transfer of the older subjects from the pediatric to the adult studies, 5001418