A commentary on the article entitled ‘Finding the minimum number of retrieved lymph nodes in node-negative colorectal cancer using Real-world Data and the SEER database’

Department of Colorectal Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences (CAMS) and Peking Union Medical College (PUMC), Beijing, China Haitao Zhou This is the author to whom requests for reprints should be sent. Yueyang Zhang, Zheng Xu These authors contributed equally to this manuscript. Sponsorships or competing interests that may be relevant to content are disclosed at the end of this article Published online ■ ■ *Corresponding author. Address: Department of Colorectal Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences (CAMS) and Peking Union Medical College (PUMC), Beijing, 100021, China, Tel. +8613381167333. E-mail address: [email protected] (H. Zhou). 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/