Initial tumor volume as an important predictor for indication of intra-cavitary brachytherapy, intra-cavitary/interstitial brachytherapy, and multi-catheter sole interstitial brachytherapy in cervical cancer patients treated with chemoradiotherapy - Takenaka, Tadashi; Yamazaki, Hideya; Suzuki, Gen; Masui, Koji; Shimizu, Daisuke; Kotsuma, Tadayuki; Tanaka, Eiichi; Yoshida, Ken; Yamada, Kei (Journal of Contemporary Brachytherapy, 2023)