Thyroid cancer is a malignant tumor with no source of infection or transmission route, and is not contagious. However, cancer cells can spread through lymph nodes or blood, causing local or distant metastasis, and other accompanying symptoms are obvious. 1. Local metastasis <br/>Thyroid cancer progresses rapidly. Even in the early stages of the disease, local tumor tissue can metastasize through the cervical lymph nodes or enter adjacent organs. In particular, papillary carcinoma and medullary carcinoma are more malignant and can metastasize to the cervical lymph nodes in the early stages, accompanied by symptoms such as swollen lymph nodes. |
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