Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is near complete opacification of the right hemithorax , due to increasing loculated pleural effusion with resulting severe compressive atelectasis . There are linear opacities at the left lung base , which likely represent scarring . The left lung is clear . Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . No pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
Increasing right loculated pleural effusion with severe compressive atelectasis .