Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . There are bilateral increased opacities suggesting atelectasis . Mild increase interstitial findings are noted likely representative of a minimal pulmonary edema . Previously visualized ill - defined radiodensity now projects over the ___ posterior rib as opposed to ___ posterior previously and remains nonspecific but the relatively unchanged . Moderate atherosclerotic calcifications of the aortic arch are noted . No acute fractures are identified .
    OUTPUT:
    
Low lung volumes with mild bibasilar atelectasis and mild vascular congestion .