Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left pleural effusion with overlying atelectasis are similar to possibly slightly increased as compared to the prior study . The appearance of the right lung is similar as compared to the prior study . No right pleural effusion is seen . There is no evidence of pneumothorax . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Overall little change since the prior study with left - sided pleural effusion possibly slightly increased compared to prior