Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right - sided pigtail catheter is again visualized . There is a small right pleural effusion that is smaller than on the prior study . There is platelike atelectasis in the right lower lobe and is difficult to assess if there is a small inferior loculated pneumothorax . The left lung is clear
    OUTPUT:
    
No acute cardiopulmonary abnormalities