Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged . The aorta is tortuous and diffusely calcified . Mediastinal and hilar contours are unremarkable . The lungs are hyperinflated . Pulmonary vasculature is not engorged . Streaky and linear bibasilar opacities in the lung bases likely reflect areas of atelectasis . No focal consolidation , pleural effusion or pneumothorax is detected . There are no acute osseous abnormalities .
    OUTPUT:
    
Minimal atelectasis in the lung bases without focal consolidation .