Anaplastic carcinoma accounts for 10% or less of thyroid cancers and occurs mostly in elderly patients and in women slightly more than in men.
Anaplastic carcinoma accounts for 10% or less of thyroid cancers and occurs mostly in elderly patients and in women slightly more than in men.
未分化癌在甲状腺癌中所占比例为≤10%，大多发生在老年人，女性略多于男性。