摘要
Papillary thyroid carcinoma （PTC） is the most common type of well-differentiated thyroid cancer and is considered to be a relatively indolent tumor in which distant metastasis and death are rare.The metastasis of PTC is usually to regional lymph nodes, especially the cervical and mediastinal nodes.
Papillary thyroid carcinoma （PTC） is the most common type of well-differentiated thyroid cancer and is considered to be a relatively indolent tumor in which distant metastasis and death are rare.The metastasis of PTC is usually to regional lymph nodes, especially the cervical and mediastinal nodes.
