4. 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, 3 (16%) (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 IIL. 1. Papillary carcinoma removed surgically at age 41. No recurrence, Taking oral thyroid hormone therapy. 2. Small nodule at age 40 which disappeared under oral 3. This patient operated on in 1969 for removal of an thyroid hormone therapy. invasive adenoma; has recovered satisfactorily, 1 1 1 Surviving adult Ailinginae people exposed to fallout, (Estimated dose: 70 rads external gamaa irradiation.) Total - 8 1. IV. Adenomatous goiter removed at age 45; recovered and was on thyroid therapy. Died of influenza in 1968, 1 Surviving adult Utirik people exposed to fallout. (Estimated dose: 14 rads external gamma plus 15 rem internal irradiation,) Total n4120 1. One person developed a noduiar thyroid gland and underwent surgery in 1969, As the tissue resembled a follicular acenoma in frozen section, a total thyroidectozy was perforced; histologic sections confirmed the diagnosis and upgraded the degree of malignancy. She has recovered satisfactorily, Cen Boo