TABLE II Thyroid Abnormalities in Exposed Rongelap People, 1968 (arranged in order of appearance of abnormality) Subject No. and sex 3 M Present age,yr. 15 Age at exposure,yr. 1 Time of Deve lopment Year Age,yr. 1965 12 Findings Hypothyroid, PBI <2ug% March 1965; re- tardation of growth preceded these finding: by a number of years. 3/68 growth spurt and improved appearance on thyroixine. 5 M 15 1 1965 12 Hypothyroid, PBI <2uyg% March 1965; retardation of growth preceded these finding: by a number of years. 3/68 growth spurt and improved appearance on thyroxine. 17 F 17 3 1963 12 Adenomatous goiter; total thyroidectomy, 21 F 17 3 1964 13 Adenomatous goiter; total thyroidectomy, parathyroidectomy, 1964. No recurrence. 69 F 18 4 1964 14 Adenomatous goiter; partial thyroidectomy, 1964. 1968 slight roughening right lobe 1964. No recurrence. : persists. 2M 15 1 1965 12 Adenomatous goiter, partial thyroidectomy, 1965. No recurrence. 20 M 21 7 1965 18 Adenomatous goiter, partial thyroidectomy, 1965. No recurrence. 64 F 44 30 1965 4l Mixed papillary and follicular carcinoma, total thyroidectomy-surgical and therapeuti radioiodine, 1965. No recurrence. 72 =F 20 6 1965 17 Three-mm nodule left lobe. palpable 9/66. 42 F 17 3 1965 14 Two-mm nodule right lower lobe. 7/66 subtotal thyroidectomy: a7ag|aic8l 3/66 nodular enlargement (~15 X normal)entire gland; firm 5-mm nodule right lobe. goiter. Suge eh Nodule not pone" adenomatous qu