Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated with finding suggestive of underlying emphysema / COPD . No focal consolidation concerning for pneumonia , pleural effusion or pneumothorax is identified on this single frontal view . The pulmonary vasculature is not engorged and there is no overt pulmonary edema . The cardiomediastinal and hilar contours are within normal limits and stable . Calcification at the aortic knob is redemonstrated .
    OUTPUT:
    
1 . No acute cardiopulmonary process , specifically no pneumonia . 2 . Underlying COPD / emphysema .