Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right - sided PICC line terminates in the mid SVC . A left basilar pigtail catheter remains in place . The patient is slightly rotated . Bilateral airspace opacities have slightly increased . Left basilar retrocardiac airspace opacification most likely due to atelectasis is unchanged since the most recent prior exam , and recurrent . A small left pleural effusion is unchanged .
    OUTPUT:
    
Evolving multifocal pneumonia . Stable chronic recurrent left lower lobe atelectasis . Stable small left pleural effusion .