Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Heart size remains moderately enlarged . Aortic knob is calcified . Perihilar haziness and vascular indistinctness is compatible with mild pulmonary edema . Small left and small to moderate size right bilateral pleural effusions are demonstrated . Bibasilar airspace opacities likely reflect atelectasis . No pneumothorax is demonstrated . S - shaped thoracolumbar scoliosis is present .
    OUTPUT:
    
Mild pulmonary edema , small to moderate bilateral pleural effusions , and bibasilar atelectasis .