Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are mildly hyperinflated and clear . No pleural effusion or pneumothorax . Heart size , mediastinal contour , and hila are unremarkable . Clips are again noted along the anterior mediastinum and right upper hemi thorax from prior coronary artery bypass surgery and ascending aorta surgery .
    OUTPUT:
    
1 . No acute cardiopulmonary process . Specifically , no pneumonia . 2 . Hyperinflated lungs consistent with emphysema .