Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly enlarged . The cardiomediastinal and hilar contours are within normal limits . There is mild hyperinflation of the lungs , suggesting possible underlying emphysema . The lungs are clear without focal consolidation , pleural effusion or pneumothorax .
    OUTPUT:
    
Hyperinflated lungs , suggesting possible underlying emphysema . No acute cardiopulmonary process . Mild cardiomegaly .