A 70-year-old man with a 20-year history of smoking...diagnosed with undifferentiated large-cell lung cancer of the left lung...Next generation sequencing (NGS, Geneseeq Technology Inc) found mutations in TP53, PIK3CA, and CD74...we administered oral antiangiogenic therapy with anlotinib (12 mg/d)....At the last follow-up, the patient’s PFS and overall survival (OS) were 21.5 and 27.5 months, respectively, after anlotinib treatment.