Comparison of eight modern preoperative scoring systems for survival prediction in patients with extremity metastasis oleh Tse‐Ying Lee, Yu‐An Chen, Olivier Q. Groot, Hung‐Kuan Yen, Bas J. J. Bindels, Robert‐Jan Pierik, Hsiang‐Chieh Hsieh, Aditya V. Karhade, Ting‐En Tseng, Yi‐Hsiang Lai, Jing‐Jen Yang, Chia‐Che Lee, Ming‐Hsiao Hu, Jorrit‐Jan Verlaan, Joseph H. Schwab, Rong‐Sen Yang, Wei‐Hsin Lin