Table 4 (cont'd) Patient No. & sex Age at surgery Years post exposure Pathologic diagnosis Remarks Utirik unexposed controls *2279 M 3074 F 3058 F 3042 F 3006 M 21,23 22 56 Papillary carcinoma Adenoma Adenomatous nodule Lymph node metastases 78 Adenomatous nodules with follicular adenoma Focal atypia 50 3096 F 56 3023 F 39 Papillary carcinoma Lymph node metastases Atypical adenomatous Focal hypercellularity nodules Adenomatous nodule Marked papillary hyperplasia Wot je unexposed controls 5027 M 5030 M 5059 F 32 36 49 Papillary carcinoma Adenomatous nodule Atypical adenomatous nodule with adenoma *In the younger (non-age-matched) group. - 66 - Focal hyperplasia Focal hyperplasia, borderline atypia