Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mild to moderately enlarged . Mitral annular calcifications are re - demonstrated . Diffuse aortic calcifications are present . Lung volumes are low with mild bibasilar atelectasis noted . No focal consolidation , pleural effusion or pneumothorax is identified . There may be mild pulmonary vascular congestion but no overt pulmonary edema is present . Multilevel degenerative changes in the thoracic spine are noted within slight loss of height of a mid thoracic vertebral body anteriorly .
    OUTPUT:
    
Low lung volumes with mild bibasilar atelectasis . No overt pulmonary edema . Mild loss of height anteriorly of a mid thoracic vertebral body , age indeterminate , but new when compared to the prior radiograph .