Frequent amplification of HDAC genes and efficacy of HDAC inhibitor chidamide and PD-1 blockade combination in soft tissue sarcoma ================================================================================================================================== * Yi Que * Xiao-Long Zhang * Ze-Xian Liu * Jing-Jing Zhao * Qiu-Zhong Pan * Xi-Zhi Wen * Wei Xiao * Bu-Shu Xu * Dong-Chun Hong * Tian-Hui Guo * Lu-Jun Shen * Wei-Jun Fan * Huo-Ying Chen * De-Sheng Weng * Hai-Rong Xu * Peng-Hui Zhou * Yi-Zhuo Zhang * Xiao-Hui Niu * Xing Zhang