Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate persistent moderate - sized right - sided pleural effusion with adjacent atelectasis , and tiny left - sided pleural effusion . Multiple nodular opacifications are seen in the bilateral lungs , which are unchanged from the prior study . The cardiomediastinal and hilar contours are unchanged . No pneumothorax .
    OUTPUT:
    
Moderate - sized right pleural effusion with adjacent atelectasis . No pneumothorax .