Fujishima, Fumiyoshi
Fukuhara, Noriko
Katsushima, Hiroki
Nakamura, Yasuhiro
Harigae, Hideo
Sasano, Hironobu
Ichinohasama, Ryo
Article History
Received: 15 March 2021
Accepted: 8 December 2021
First Online: 20 December 2021
Declarations
:
: Our study was approved by the ethics committee of Tohoku University Hospital (No.2019–1-613), Tohoku Medical and Pharmaceutical University Hospital (No.2014–3-006), Sendai Medical Center (No.2017–0616), Sendai City Hospital (No.536), Osaki Citizen Hospital (No.2009–0825) and Miyagi Cancer Center (No.23–14). In Ishinomaki Red Cross Hospital, it is approved by IRB, which refers to an applicable organization. We complied with the tenets of the Declaration of Helsinki, and informed consent was obtained from all patients prior to surgery.
: Not applicable.
: The authors declare that they have no competing interests.