Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Lungs appear hyperinflated and hyperlucent consistent with emphysema . There is blunted left CP angle consistent with small left effusion as seen on recent CT PET . Heart is mildly enlarged . No definite signs of pneumonia or edema . No pneumothorax . Bony structures appear intact .
    OUTPUT:
    
Small left pleural effusion . Mild cardiomegaly .