Nivolumab after sorafenib failure in liver recipients with HCC recurrence. (April 2022) - Kwon, Ji Eun; Yang, Jaehun; Lim, Manuel; Jeong, Eun Sung; Kim, Kyeong Deok; Rhu, Jinsoo; Choi, Gyu-Seong; Joh, Jae-Won; Kim, Jong Man