Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . The lungs appear hyperinflated with flattened diaphragms and upper lobe lucency suggesting emphysema / COPD . There is no focal consolidation concerning for pneumonia . No signs of congestion or edema . No large effusion or pneumothorax . The heart is mildly enlarged . The mediastinal contour appears normal . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
COPD , mild cardiomegaly . No signs of pneumonia .