Fig. 3. Annual changes of N classification and surgical extent from 2009 to 2021 in DTC. (A) Annual changes in proportion of N classification. There was no definite difference in N0 or N1 frequency. (B) Annual changes in the extent of neck management. Frequency of ACND decreased since 2015, while frequency of LND sharply increased.

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

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