Moon SJ, Kang H, Kim SW, Kim WG, Na DG, Park YJ, Song YS, Lee EK, Lim D, Chung YJ, Shin DY, KTAGCOTMOTNAC.  Korean Thyroid Association Guidelines on the Management of Differentiated Thyroid Cancers; Part I. Initial Management of Differentiated Thyroid Cancers - Chapter 7. Adjuvant External Beam Radiotherapy and Systemic Chemotherapy Following Thyroidectomy 2024.  Int J Thyroidol 2024;17:111-114.  https://doi.org/10.11106/ijt.2024.17.1.111