Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal silhouette and hilar contours are unchanged from immediate prior exam . The left moderate to large pleural effusion is slightly increased in size with associated atelectasis and either fluid tracking up the left major fissure or bandlike atelectasis present in the left mid lung . The right lung is clear . There is no pneumothorax .
    OUTPUT:
    
Stable cardiac silhouette . Increasing left moderate to large pleural effusion with associated atelectasis .