Table 25 Summary of Thyroid Results Age at Exposure Rongelap In Utero <10 10-18 >18 All Ages - #9 - Sifo In Uterc <16 10-18 >18 All Agea Utirik | In Utero <10 10-18 >18 All Ages All Exposed In Utero <L0 10-18 >18 All Ages Total Number 3 19¢€ 12 31 65 1 7 Nodules# No. with Carcinoma 2 15 3 3 23 0 0 1 l 2 4 0 Expected Nodulee®?© 0.079 0.50 0.92 2.7 4.2 0.026 Expected Cancers?»* 0.026 0.17 0.15 0.21 0.56 0.0087 Mean Mean Nodule Time Mean Nodul Risk, No. rads years years Adsorbed Dose, 640 4000 1700 1300 2100 610 it 19 2 4 6 6 0 0 0.18 0.98 1.2 0.061 0.075 0.15 1100 410 670 8 56 19 0 4 4 0 i 2 0.21 1.5 1.4 0.070 0.49 0.24 167 1? 4 1.4 B4 12 82 31 126 251 9 2 21 7? 16 46 ! i) 2 3 3 8 7.5 ll 0.32 2.2 2.3 Il 16 4includes some cases not surgically treated. bBased on prevalence in unexposed Marshallese. CIn utero values based on age less than ten prevalence. dMultiply by 100 to obtain number per 106 person-gray-years, €Does not include two boys with thyroid atrophy. 0.58 0.10 0.72 0.39 0.87 2.1 at Risk (Cancer), 23(-) 13(15) 17(22) 17(13) 15(16) -(-) per 10 person-rad- 43 15 6.0 0.44 9.2 37 20 130 490 220 -(-) 25(21) 22(22) 3.6 27 280 23(22) 5.9 170 290 1400 790 470 800 22(22) 23(-) 16(18) 20(22) 20(16) 18(19) 1 - 22(-) -(-) 18{-) 19(-) ~ 4.8 21 10 9.6 4.4 8.3 Mean Cancer Risk, No. per 10 person-radyears 0.73 1.9 3.4 1.6 - - ~ 0.89 19. 1.3 2.5 - 0.65 5.1 2.2 1.5