Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . The lungs appear somewhat hyperinflated with upper lobe lucency and splaying of bronchovasculature compatible with known emphysema . The heart is mildly enlarged . There is no evidence of edema or pneumonia . No pleural effusion or pneumothorax is present . Mediastinal and hilar contours appear normal . Bony structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
Emphysema without superimposed acute process . Mild cardiomegaly .