ERCC1 and head and neck squamous cell carcinoma: Those HNSCC patients with high ERCC1 expression showed lower cisplatin treatment responses (50%, 13 out of 26 patients) and lower 2-year OS (44%), relative to those patients with low ERCC1 expression who showed higher responses (90.3%, 28 out of 31 patients) and better survival (74.2%) (39) (Table 1).