EGFR and head and neck squamous cell carcinoma: Compared with CRT, the addition of an anti-EGFR agent was not associated with improved PFS (HR = 1.07 [95% CI: 0.92–1.24], P = 0.37) (Figure 3) or OS (HR = 1.04 [95% CI: 0.88–1.23], P = 0.65) (Figure 4) in patients with LA-HNSCC.