Thyroid irradiation.
D000328:Adult; D000367:Age Factors; D006801:Humans; D006980:Hyperthyroidism / Q000628:therapy; D009381:Neoplasms, Radiation-Induced; D013961:Thyroid Gland / Q000528:radiation effects*; D013964:Thyroid Neoplasms / Q000209:etiology