ASO? May 4, 1966 ABORG M FOR CHAIRMAN SE RAMEY COMMISSIONER PE COMMISSIONER TA tyact eS L MANAGER THROUGH GENERA MAY 9 1966 T S D T: US EN LE OI EC AT 54 RR DU YR BJ ST 19E SU CU OF TH MOBIKINIAMTEONSTG OF THEMAMARCRS HEHA1,LLES OUT FROM THE EXPOSED TO FALL In our last menorandws en this subject, October 11, 1965, it wes noted thet a cumulative total ef 11 instances of nodular thyreid gleads hed been found in the 69 surviving Marshallese who had bean exposed to ‘fallout from the subject test while on Rongelap end on Ailingnae. Ail but one of these cases vere in young people who were less than 10 years eld at Che time ef exposure. The single exception was in a 4l-year-old woman (approximately 30 at time ef exposure) who was found te have a BEST COPY AVAILABLE carcinoma of the thyroid at operation. a De. Robert A. Conard ef the Medical Bepartwent of Brockheven Hational Laboratory, and leader ef the ennuel (or wore often) medical surveys of these people, has just returned from the latest survey conducted during February and March ef 1964. Me reports that an additioaal] five eases of modular thyroids have been diagnosed in this group. The present cumulative incidence is show in the following table. Age at Exposure , Skanber Exposed Leo§ 6-10 12-15 16-20 7 20 16 9 7 5 a2 69 Totel Incideace of Modules Through Merch 1966 Percent 9 4 ° 0 —_ 16 36 ryt ° 2. r/ 28 Ae YS DOE ARCHIVE “996 U.S. ATOMIC ENERGY ssION. RG Collection OGM Box SS "3°3 FolderGeveval Manager’ Reading File Maul Thyu. 16,1966" 4