Results: The mean age of the patients was: 51.05 ± 11.94 years old; The proportion of male: female was 6.25%: 93.75%; Tumor characteristics: 60.9% patients had 1 tumor, 39.1% had 2 or more tumors; Characteristics of lymph node metastasis: 42, 2% patients had lymph node metastasis, in which the most common group was the carotid group, the middle carotid lymph node was 51.9%.