If pt undergoing LDCT for lung CA screening or has incidental lung imaging abnormalities emphysema air trapping airway wall thickening mucus plugging GOLD recommends spirometry to screen for COPD

If pt undergoing LDCT for lung CA screening, or has incidental lung imaging abnormalities (emphysema, air trapping, airway wall thickening, mucus plugging), GOLD recommends spirometry to screen for COPD.