RWD Cohort
NSCLC, pneumonitis
PNEUMONITIS, DISEASE, METASTATIC DISEASE, NSCLC
This was a retrospective observational cohort study of patients who were diagnosed with locally advanced or metastatic NSCLC (aNSCLC) and were treated at a community health system in the Midwestern United States comprised of more than 25 hospitals and over 500 health care delivery sites between January 1, 2010 and September 14, 2020. Eligibility for the cohort included stage III or IV disease at diagnosis or progression to metastatic disease prior to treatment with either ICI (monotherapy or in combination with chemotherapy) or chemotherapy (without concomitant radiation). Although pneumonitis has been associated with EGFR-TKI (tyrosine kinase inhibitor) therapies (