Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . The heart size is mild to moderately enlarged , accentuated by low lung volumes . The aorta is tortuous . Pulmonary vasculature is not engorged . Linear and patchy opacities in the lung bases are most compatible with areas of atelectasis . No focal consolidation , pleural effusion or pneumothorax is present . Moderate degenerative changes are seen within the thoracic spine . Surgical anchors project over the right humeral head .
    OUTPUT:
    
Bibasilar atelectasis . No focal consolidation to suggest pneumonia .