Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart demonstrates stable cardiomegaly . The mediastinal and hilar contours are unremarkable . The lungs are clear of consolidation , although the mid left lung is noted to be more lucent than the right , suggestive of emphysema , worse on the left than the right . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Stable cardiomegaly . Emphysema , worse on the left than the right , without an acute cardiopulmonary process .