Pathology results n = 70% pT pT1 1 1.4 pT2 9 12.9 pT3 59 84.3 pT4 1 1.4 pN pN0 55 78.6 pN1 13 18.6 pN2 2 2.8 Stage I 10 14.3 II 45 64.3 III 15 21.4 Conclusion: Invasive tumors in pT3 accounted for 84.3%.