MKI67 and sarcopenia: According to the univariate analysis, the Anesthesiology Society of America (ASA) score, pathological T stage (pT), pathological N stage (pN), Ki-67-positive index and sarcopenia were related to the 3-year OS rates, whereas the ASA score, pN, Ki-67-positive index, and sarcopenia were related to the 3-year RFS rates (all p < 0.05, Table 3).