Survival landscape of different tumor regression grades and pathologic complete response in rectal cancer after neoadjuvant therapy based on reconstructed individual patient data. - Li, Jia-yi; Huang, Xuan-zhang; Gao, Peng; Song, Yong-xi; Chen, Xiao-wan; Lv, Xing-er; Fu, Yv; Xiao, Qiong; Ye, Shi-yv; Wang, Zhen-ning (BMC Cancer, 2021)