And according to the reports in a series of 14 patients, the patients appeared hair repigmentation owing to anti-PD-1/anti-programmed death ligand 1 (PD-L1) therapy for lung cancer, and the authors believe that hair repigmentation may be a good response marker in patients receiving anti-PD-1/anti-PD-L1 therapy for lung cancer28. The gene discussed is CD274; the disease is lung carcinoma.