Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are symmetrically expanded . No focal consolidation concerning for pneumonia , pleural effusion , or pneumothorax is detected . The cardiac silhouette is normal in size . Prominence of the mediastinal contours is unchanged and likely related to vessels . Mild calcification of the aortic knob is noted . The hilar contours are within normal limits .
    OUTPUT:
    
No evidence of amiodarone toxicity .