Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated . Increased interstitial markings are probably more pronounced from the prior exam . The heart remains enlarged . The thoracic aorta is tortuous with aortic knob displacing the trachea to the right , unchanged . Increased opacity along the left heart border in the region of the lingula could be a focal pneumonia . No pleural effusion or pneumothorax .
    OUTPUT:
    
1 . Moderate cardiomegaly and mild - to - moderate interstitial edema . 2 . Opacity in the lingula is concerning for focal pneumonia in the appropriate clinical situation . Chest radiograph after treatment is recommended to ensure resolution .