Machine learning models for predicting survival in patients of hepatocellular carcinoma with second primary malignancy - Nie, Yu; Nie, Lu; Li, Boyu; Wang, Yuanyuan; Wang, Liyuan; Lv, Xingyan; Sun, Runjie; Xia, Mengting; Wang, Ruiyang; Cui, Xing (Translational Cancer Research, 2025)