Conditional survival analysis between primary squamous cell carcinoma of the thyroid and anaplastic thyroid carcinoma

Jingzhe Xiang, Liang He, Hao Zhang: Department of Thyroid Surgery, The First Hospital of China Medical University, Shenyang, P.R. China Ziyao Zhang: The First Hospital of China Medical University, Shenyang, P.R. China Jingzhe Xiang, Ziyao Zhang These authors contributed equally to this work. All data included in this study are available upon request by contact with the corresponding author. Sponsorships or competing interests that may be relevant to content are disclosed at the end of this article. Published online ■ ■ *Corresponding authors. Address: Department of Thyroid Surgery, The First Hospital of China Medical University, Shenyang, P.R. China. E-mail: [email protected] (H. Zhang). This is an open access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal. http://creativecommons.org/licenses/by-nc-nd/4.0/