Table 4 (cont'd) Patient No. & sex Age at surgery Years post exposure Pathologic diagnosis Remarks Utirik exposed 2229 F 32 15 1/2 Follicular carcinoma 2208 F 2212 F 53 53 19 19 2221 F 73 19 2160 F 2150 M 25 34 21 1/2 22 Adenomatous nodules Adenomatous nodules with Hurthle cell adenoma . Adenomatous nodules with follicular adenoma 2261x M 50 23 1/2 No diagnostic lesion 2195 F 2215 F 49 58 25 1/2 25 1/2 Adenomatous nodule Adenomatous nodules 2194 F 2236 M 2193 F 2147 F 2196 F 2239 F 2132 F 59 35 56 30 63 29 28 22 24 25 1/2 25 1/2 26 1/2 27 27 Papillary carcinoma Follicular adenoma Divided opinion: atypical adenoma Hyperplasia Hyperplasia, atypia focal Hyperplasia Papillary carcinoma Lymph node metastases Follicular adenoma Adenomatous nodules Focal hyperplasia Papillary hyperplasia with occult papillary carcinoma Adenomatous nodules Adenomatous nodules Adenomatous nodules Adenomatous nodule Diffuse Fibrosis Rongelap unexposed controls 938 F 33 Adenomatous nodule 841 F 41 1007 M 66 Adenomatous nodules with occult papillary carcinoma 1573 M 867 F 28 50 829 F 4023 F 1556 F 41 44 34 Adenomatous nodule Papillary hyperplasia Papillary carcinoma Fibrosis, hyperplasia Papillary carcinoma Adenomatous nodule Fibrosis Adenomatous nodule No diagnostic lesion ~ 65 - Papillary hyperplasia