Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The focal peripheral left lower lobe opacity appears unchanged compared to ___ chest x-ray . There is mild improvement of the small left pleural effusion . Linear atelectasis are noted in the left lung bases . The right lung is fully expanded and clear . Sternotomy wires and mediastinal clips are noted .
    OUTPUT:
    
Although there is significant improvement of the left lower lobe consolidation when compared to the ___ CXR ; in comparison to the more recent ___ CXR , focal peripheral left lower lobe opacification is unchanged . This could potentially represent a localized area organizing pneumonia or developing scar , but is not fully characterized by conventional chest radiographs . Slight improvement of small left pleural effusion .