Fig. 5. Thyroid cancer registration data from the Korea National Cancer Center. (A) Changes of total number in both differentiated and undifferentiated thyroid cancer surgery from 2005 to 2018. Thyroid cancer incidence continuously increased until 2012, with a sudden decrease in 2014 and 2015. Its incidence remained stable until 2018. (B) Incidence of thyroid cancer according to localized, regional, distant metastasis and is unknown. Localized and regional disease decreased after 2012 with a recent increase until 2018.

Int J Thyroidol 2024;17:277-85 https://doi.org/10.11106/ijt.2024.17.2.277

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