Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior chest radiographs , the large right pleural effusion is slightly smaller , but persistent . Substantial right middle and right lower lobe volume loss is similar to the prior study . Left lung is clear without focal consolidation , pleural effusion , or pneumothorax . Re-demonstration of a right clavicular fracture with overriding of the fracture fragments , as well as mild leftward curvature of the thoracic spine .
    OUTPUT:
    
1 . Interval slight decrease in the size of the large right pleural effusion . 2 . Persistent substantial right middle and right lower lobe atelectasis . 3 . No change in the known right clavicular fracture with overriding fracture fragments .