Non invasive screening for pulmonary involvement in early RA Combination of PFT and Lung 🫁 US: -50% with interstitial or focal changes or pleural effusion on US -58% with abnormal DLCO Correlation w/ higher disease activity. Pathological meaning? @RheumNow ABST 0393 #ACR23 https://t.co/BBcOEgcJK2