Fig. 1From: Prognostic and functional impact of perioperative LAMA/LABA inhaled therapy in patients with lung cancer and chronic obstructive pulmonary diseaseChanges in lung function with preoperative LAMA/LABA therapy. a Changes in forced expiratory volume in 1 s (FEV1). b Changes in percentage of predicted FEV1 (FEV1%pred). c Improvement in FEV1 by severity of airflow limitation (AFL)Back to article page