Among 23 cases of ATC, the ratio of male to female was 7∶16. 21 cases (91.3%) had hoarseness or cervical mass, 8 cases (34.8%) had rapid enlargement of tumor size, 6 cases (26.1%) with lesion in unilateral lobe, 8 cases (34.8%) in unilateral lobe + isthmus, 9 cases (39.1%) in bilateral lobe + isthmus, diameter of tumors was (6.1 ± 1.7) cm, 20 cases (87.0%) had irregular shape of tumors. 16 cases (69.6%) with rough calcification, 17 cases (73.9%) with extensive necrosis, 15 cases (65.2%) with tracheoesophageal groove extension, 18 cases (78.3%) with cervical lymph node metastasis, 8 cases (34.8%) with lungmetastasis, 16 cases (69.6%) with trachea invasion, 7 cases (30.4%) with common carotid artery invasion, and 10 cases (43.5%) with internal jugular vein invasion.