Trends in antineoplastic drug use, cost and prescribing patterns among patients with lung cancer in nine major cities of China, 2016-2020: a retrospective observational study based on inpatient and outpatient hospital data.

Prescription practices among patients with lung cancer in China underwent major changes during the study period. The observed trends can aid in understanding the present medication use status of patients with lung cancer in China and provide information for future drug management.