a possible trendP =0.0841
However, the Kaplan-Meier curve of OS demonstrated a possible trend for the FD-ZS staging system ( P =0.0841) and WHO criteria ( P =0.0841), indicating that postoperative chemotherapy can improve prognosis.
However, the Kaplan-Meier curve of OS demonstrated a possible trend for the FD-ZS staging system ( P =0.0841) and WHO criteria ( P =0.0841), indicating that postoperative chemotherapy can improve prognosis.