Intraoperative Placement of an Absorbable Spacer Prior to Radiation Therapy for a Malignant Peripheral Nerve Sheath Tumor. - Endo, Yuki; Fukuzawa, Taichi; Irie, Masahiro; Sasaki, Hideyuki; Kudo, Hironori; Ando, Ryo; Okubo, Ryuji; Katayama, Saori; Hashimoto, Masatoshi; Sato, Kosuke; Tachibana, Masahito; Aoki, Hidekazu; et al. (Case Reports in Oncology, 2022)