Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated . There is no focal opacity to suggest pneumonia . There is no pleural effusion . The cardiomediastinal and hilar contours are unremarkable . Stable mild cardiomegaly . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Hyperinflated lungs and stable mild cardiomegaly . No evidence of acute cardiopulmonary process .