Does increasing the number of resected lymph nodes really improve the prognosis of patients with esophageal squamous cell carcinoma?

Department of Thoracic Surgery, West China Hospital, Sichuan University, Chengdu, China Assistance with the study: none Financial support and sponsorship: none Sponsorships or competing interests that may be relevant to content are disclosed at the end of this article. Published online ■ ■ *Corresponding author. Address: Long-Qi Chen, MD, PhD. Department of Thoracic Surgery, West China Hospital, Sichuan University. No. 37, Guo xue Alley, Chengdu 610041, China. E-mail address: [email protected] (L.-Q. Chen). 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/