3, — Have undergone surgery in the U. S. prior to 1969 because of nodular thyroid disease; histologic diagnosis of adenomatous goiter and Huerthle cell tumor. Responding satisfactorily to oral thyroid hormone therapy with one exception: This patient shows some enlargement of the remnant of thyroid left from a partial thyroidectomy in 1964; as she has not followed her post-operative thyroid hormone regimen, there is question as to whether she should have further surgery. 4. 11 (58%) 3 (16%) Young people operated on for thyroid disease during August 1969 and recovered. Diagnoses: Primary benign adenomatous goiter in two and papillary adenoma of serious grade malignancy in one, (None of six Ailinginae children exposed to an estimated external dose of 70 rads have shown thyroid dysfunction.) II. Surviving adult Rongelapese exposed to fallout. (Estimated dose: 175 rads external plus 160 rem internal irradiation.) Total - 34 1. Papillary carcinoma removed surgically at age 41. 2. Small nodule at age 40 which disappeared under oral thyroid hormone therapy. 3. This patient operated on in 1969 for removal of No recurrence. Taking oral thyroid hormone therapy. 1 an invasive adenoma; has recovered satisfactorily. 1 Dp 1 (All the above in I and II who wunderwent surgery appear to be in good health without evidence of recurrence.) III. Surviving adult Ailinginae people exposed to fallout. dose: 70 rads external gamma irradiation.) (Estimated Total - 8 1. Adenomatous goiter removed at age 45; recovered and was on thyroid therapy. Died of influenza in 1968.