Neoadjuvant Tirellizumab Combined With Chemotherapy for Early Oral Squamous Cell Carcinoma(HNC-SYSU-004)

"Tirellizumab+Carboplatin+albumin-bound paclitaxel:2 courses Tirellizumab,+Carboplatin+albumin-bound paclitaxel Tirellizumab (IV), dose= 200mg , day=1 , cycle length: 21 days. Carboplatin (IV), dose=300mg/m2, day= 1, cycle length: 21 days. albumin-bound paclitaxel (IV), dose=260mg/m2, day= 1, cycle length: 21 days.~Intervention: Drug: Tirellizumab, Carboplatin, albumin-bound paclitaxel:2 cycles Surgery：Enlarged local excision，excision with the safe margin 1.0-1.5cm away from the original tumor"

"Surgery：Primary resection，excision with the safe margin 1.0-1.5cm away from the original tumor~selective neck dissection:I II III region neck dissection"