Development and internal validation of the OPERA-FE score incorporating area under the expiratory flow-volume curve for predicting postoperative complications after lung cancer surgery.
INTRODUCTION Postoperative complications remain major determinants of prognosis after lung cancer surgery. Conventional pulmonary function parameters such as FEV1 and DLCO have limited predictive accuracy. We aimed to investigate the association between AreaFE and postoperative complications and to develop and internal...