Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal . The hilar and mediastinal contours are normal . Again seen is an opacification within the left lower lobe which has not changed since most recent study from ___ . No other focal opacities are seen and the lungs are otherwise unremarkable . There is no evidence of pleural effusion or pneumothorax . Mild degenerative changes are noted in the mid thoracic spine .
    OUTPUT:
    
Opacification of the left lower lobe , could reflect pneumonia and is unchanged from prior examination . These findings were discussed with Dr . ___ by Dr . ___ ___ telephone on ___ at 2 : 10 PM , time of discovery .