aDepartment of Oncology, The Affiliated Nanhua Hospital, Hengyang Medical School, University of South China, Hengyang

bOncology Department, Xiangya Changde Hospital, Changde

cOncology Department, The Brain Hospital of Hunan Province, Changsha

dOncology Department, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang

eDepartment of Neurosurgery, Xiangya Hospital, Central South University, Changsha

fPeople’s Hospital of Changshou Chongqing, Chongqing, China

Received 20 January 2022 Revised form accepted 14 March 2022

Correspondence to Sanyuan Tang, MD, Department of Oncology, The Affiliated Nanhua Hospital, Hengyang Medical School, University of South China, No. 336 Dong Feng South Road, Hengyang 421002, China, Tel: +86 152 0053 2633; e-mail: [email protected]