Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As before , there is complete whiteout of the right lung field with shift to the hilar and mediastinal structures put the right . The left lung is clear , the visualized heart border is unremarkable , and there is no left - sided pleural effusion pneumothorax .
    OUTPUT:
    
Minimal interval change in the right lung opacification . Clear left lung .