甲状腺微癌逐渐增多，这可能是甲状腺癌发病率增高的主要原因。

It may be the most important reason of thyroid cancer's increasing incidence.

youdao

甲状腺微癌逐渐增多，这可能是甲状腺癌发病率增高的主要原因。

It may be the most important reason of thyroid cancer's increasing incidence.

youdao