TEN-YEAR RETROSPECT OF THE INVESTIGATION OF PROXIMAL LIMBS METASTASIS IN CANCER: A MULTI-CENTER STUDY ON SURVIVAL OUTCOME, LIMB FUNCTION STATUS AND SURGICAL PROCEDURES ANALYSIS Article Zhang Chao, Wang Jun, Wu Haixiao, Lin Yile, Chekhonin V.P., Peltzer Karl, Bukharov A.V., Kaprin A.D., Guo Xu, Liu Zheng BMC CANCER. BMC. Vol. 23. 2023. 795 p.