FP711ESTIMATED GLOMERULAR FILTRATION RATE DECLINE OCCURRED FOUR YEARS AFTER KIDNEY DONATION IN ELDERLY LIVING DONORS. (18th May 2018) - YONEMOTO, SAYOKO; Hamano, Takayuki; Fujii, Naohiko; Hayashi, Daisuke; Yamanaka, Kazuaki; Kishikawa, Hidefumi; Nishimura, Kenji; Isaka, Yoshitaka