Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right PICC is no longer visualized . There is interval development of confluent right mid and lower lung opacities consistent with a moderate right pleural effusion and adjacent atelectasis however consolidation is not excluded . The left lung is clear . There is no left effusion or pneumothorax .
    OUTPUT:
    
Interval development of right mid and lower lung opacification consistent with a moderate right pleural effusion and associated atelectasis however pneumonia could have a similar appearance .