According TNM classification (UICC 1987)and AJC Staging System,there were 86(75.4%) T 1 tumors,26(22.8%)T 2,and 2(1.8%) T 3 carcinoma.

• 根据TNM分期（UICC1987）和AJC分期系统，86例（75.；4%25）为T1，26例（22