{Reference Type}: Editorial {Title}: Long-term efficacy of immune checkpoint inhibitors with or without chemotherapy in recurrent or metastatic squamous cell carcinoma of the head and neck: a commentary on the 4-year follow-up of the KEYNOTE-048 trial. {Author}: Sano D;Oridate N; {Journal}: Transl Cancer Res {Volume}: 12 {Issue}: 5 {Year}: 2023 May 31 {Factor}: 0.496 {DOI}: 10.21037/tcr-23-48