A commentary on “circulating metabolic markers after surgery identify patients at risk for severe postoperative complications: a prospective cohort study in colorectal cancers”

Department of Gastrointestinal Surgery, Peking University First Hospital 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 Gastrointestinal Surgery, Peking University First Hospital, No.8 Xishku Street, Xicheng District, Beijing, China. E-mail address: [email protected] (Y. Pan). This is an open access article distributed under the Creative Commons Attribution-ShareAlike License 4.0, which allows others to remix, tweak, and build upon the work, even for commercial purposes, as long as the author is credited and the new creations are licensed under the identical terms. http://creativecommons.org/licenses/by-sa/4.0/