Choi, Noorie
Kim, Kyubo
Shin, Kyung Hwan http://orcid.org/0000-0002-5852-7644
Kim, Yumi
Moon, Hyeong-Gon
Park, Won
Choi, Doo Ho
Kim, Su Ssan
Ahn, Seung Do
Kim, Tae Hyun
Chun, Mison
Kim, Yong Bae
Kim, Suzy
Choi, Byung Ock
Kim, Jin Hee
Article History
Received: 4 April 2018
Accepted: 25 May 2018
First Online: 28 May 2018
Compliance with ethical standards
:
: The authors have nothing to disclose.
: Review of medical records was approved by the Korean Radiation Oncology Group (KROG) and the Institutional Review Board of each participating center in accord to the ethical standards of the Helsinki Declaration. Data pertaining to demographic, clinical, pathologic, and follow-up variables were collectively analyzed. Based on the retrospective design of analyses, requirement to obtain written informed consent from patients included in this study was exempted.