There was significant difference between the two groups in early stage (T1+T2) and advanced stage (T3+T4) by Fuzhou Staging System (t=5.677, P=0.000; t=3.310, P=0.005, respectively).

• 早期(T1+T2)和进展期(T3+T4)二组对比有极显著性差异(t=5.；677；P=0