Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Severe emphysema with a large left upper lobe bullae are again noted . Pneumonia in the left upper lobe is unchanged . Pulmonary edema has resolved . The heart border is obscured , however , there is no lingula abnormality as confirmed by the CT performed on ___ with the same radiographic finding . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Left upper lobe pneumonia . Pulmonary edema has resolved .