medullary thyroid carcinoma

例句：

1. 1. He was diagnosed with medullary thyroid carcinoma and required surgery immediately.
   他被诊断出患有髓样甲状腺癌，需要立即接受手术。
2. 2. The patient's family was devastated by the diagnosis of medullary thyroid carcinoma.
   患者的家人对诊断出髓样甲状腺癌的消息感到极度震惊。
3. 3. The prognosis for medullary thyroid carcinoma is generally poor, requiring aggressive treatment.
   髓样甲状腺癌的预后通常较差，需要积极的治疗。