ay {pil 408283 May 4, 1966 K MEMORANDUM FOR CHAIRMAN SEABORG COMMISSIOMER PALFREY COMMSSIOUER RAMEY COMMISSIONER TAPE THROUGH GEEERAL MARAGER SUBJECT: CURKELAT STATUS uF THYROID NODULLS AMONG THE MARSHALLES? EXPOSLU TO FALLOUT PROM THe BIKIMi Teast OF MARCH i, 1954 im Gur last meworeacum on thie subject, Octeber 11, 1965, if was aotes that < cumulative totai of 11 iastances of nodular thyroid giandgs ned been foum ict the 69 surviving Mareialiese who hac been exposes to fallout {rom cue subject test while on Rongelap and on Ailingnae. 41/1 but one of tagse cases were in young pecple who were less than i0 years old at Che time of exposure. The singie exception was in e 41-year-cid woman (approximeataiy 37 at time ef exsosure) whe was found to nave a carcinoma oi the thyroic at aperation. By. Robert ¢, Covaryn of tac Medical Tepartosent cf Brookhaven National i@boratory, 20-0 lecacer ci the anaval (or more often} medicai surveys ef tneae vpeopic, nes just returned from tie latest survey conducted suring Februery and March of 1966. He reporte tnat an additions! five tages Of moduiar thyroicse hawe been Liapnosed in this group. The present cumulative incidence is showa ia the foiiowing tabie. Age at Exposure 4oS Nusber hogrored fcta! incidesce of Hoduies Through March 1966 Humber Perceat 2&6 ¥ i) a & 4a ba i a} aiett 7 ‘ = nbedd > te ~ > ed wade — i ak BEST COPY AVAILABLE we’ ae BS