Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal silhouette is within normal limits . Calcifications are noted in the aortic arch and along the proximal head and neck vessels . Lungs are symmetrically hyperinflated similar to the prior examination . There is no consolidation or pleural effusion . No pneumothorax .
    OUTPUT:
    
1 . No evidence of pneumonia . 2 . Hyperinflated lungs , suggestive of chronic obstructive pulmonary disease . 3 . Calcifications along the aortic arch and proximal head and neck vessels .