Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable upright radiograph is provided . There is prominence of interstitial pulmonary vasculature and cephalization of vessels consistent with pulmonary edema . Previously seen consolidation at the right base has largely resolved ; left basilar opacity has also improved . Again seen is moderate cardiomegaly , unchanged from prior exam . A left PICC terminates in the mid SVC . There is no pneumothorax , or pleural effusion . Osseous structures are intact .
    OUTPUT:
    
1 . Findings suggesting mild pulmonary edema . 2 . Improved but persistent lower lung opacities . 3 . Left PICC in mid-SVC .