Department of Otorhinolaryngology Head and Neck Surgery First Hospital of Lanzhou University 730000 Province;
Department of Thyroid and Neck Tumor Laboratory of Cancer Prevention and Therapy of Tianjin Medical University Cancer Institute and Hospital Clinical Research Center for Cancer 300060;
Department of Otorhinolaryngology Head and Neck Surgery Provincial Hospital 730000 Province;
Thyroid neoplasms; Papillary carcinoma; Thyroid vein; Venous thrombosis; SURGERY; Case report;