Fig. 1

Flowchart of patient recruitment. LSCC, laryngeal squamous cell carcinoma. Center 1, the First Affiliated Hospital of Chongqing Medical University; Center 2, Tianjin First Central Hospital; CT, computed tomography.
Flowchart of patient recruitment. LSCC, laryngeal squamous cell carcinoma. Center 1, the First Affiliated Hospital of Chongqing Medical University; Center 2, Tianjin First Central Hospital; CT, computed tomography.