Bibliometric analysis of worldwide research trends on tumor burden and immunotherapy: A correspondence

aDepartment of Oncology, Baoshan People’s Hospital, Baoshan 678000, China bCancer Center, Yantai Affiliated Hospital of Binzhou Medical University, The 2nd Medical College of Binzhou Medical University, Yantai 264100, China cSchool of Public Health, Shandong University, Jinan 250000, China Ji-Wei Geng and Qing Li: These authors contributed equally to this work. Sponsorships or competing interests that may be relevant to content are disclosed at the end of this article *Corresponding author. Address: Cancer Center, Yantai Affiliated Hospital of Binzhou Medical University, The 2nd Medical College of Binzhou Medical University, Yantai 264100, China. E-mail address: [email protected] (Y-D. Miao). Supplemental Digital Content is available for this article. Direct URL citations are provided in the HTML and PDF versions of this article on the journal's website, www.lww.com/international-journal-of-surgery. Published online ■ ■ This is an open access article distributed under the Creative Commons Attribution-NoDerivatives License 4.0, which allows for redistribution, commercial and non-commercial, as long as it is passed along unchanged and in whole, with credit to the author. http://creativecommons.org/licenses/by-nd/4.0/