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, School of Medicine, Nankai University.

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, School of Medicine, Nankai University.