Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were reviewed . Compared to the most recent study of ___ , there has been complete resolution of left lower lobe pneumonia . A residual pleural - based opacity likely represents a granuloma or post - infectious scarring ; othwerwise , the lungs are clear . The cardiac and mediastinal contours are normal .
    OUTPUT:
    
Resolution of left lower lobe pneumonia .