Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well inflated . Left pleural effusion has slightly decreased in size . It is considered small to moderate . There is also minimal blunting of the right costophrenic sulcus . In innominate vein stent is noted . The heart size is enlarged . The osseous structures are normal for age .
    OUTPUT:
    
The left pleural effusion may have slightly decreased in size . The appearance of the chest is essentially stable .