However, about7% of the irradiated group develop thyroid carcinoma; most are papillary or mixed follicular-papillary and are generally slow-growing and relatively nonaggressive.

• 不过，约7%25病人会得甲状腺癌，多数为乳头状癌或滤泡-头混合型癌，一般生长缓慢，相对无侵犯性。