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Kaplan Meier's survival estimation of neoadjuvant chemotherapy followed by radical surgery according to prognostic factors
YSR, year survival rate; RS, radical surgery; NS, not statistically significant difference; SCC, squamous cell carcinoma; LVS, lymphovascular space; LN, lymph node; CR, complete response; PR, partial response.
*, Total number of patients was not 78, because there were some missing data in pathologic report; †, Log rank test.
