Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes are present . Assessment is limited by patient rotation . Heart size appears mildly enlarged . The aorta is diffusely calcified . Mediastinal and hilar contours are grossly unremarkable . Pulmonary vasculature is not engorged . No focal consolidation , large pleural effusion or pneumothorax is identified . Mild atelectasis is noted in the lung bases . No acute osseous abnormalities detected .
    OUTPUT:
    
Limited exam with minimal bibasilar atelectasis , but no acute cardiopulmonary abnormality otherwise visualized .