Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Multifocal patchy and linear opacities in the mid and lower lungs have improved since the prior study with predominantly linear opacities remaining . In particular , a previously described opacity in the anterior aspect of the left lower lobe near the major fissure has partially cleared . No new or worsening areas of lung opacity are evident . Cardiomediastinal contours are within normal limits and without change . Surgical clips are present in the left upper hemithorax and a right PICC remains in standard position .
    OUTPUT:
    
Improving multifocal patchy and linear opacities likely due to atelectasis . No new or worsening opacities to suggest a site of infectious pneumonia .