Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to ___ , right - sided pleural effusion has substantial decreased with minimal blunting of the costophrenic angle . There remains elevation of the right hemidiaphragm . The lungs are clear . No pneumothorax . Multiple healing rib fractures on the right .
    OUTPUT:
    
Right - sided pleural effusion has substantial decreased with minimal blunting of the costophrenic angle . No pneumothorax .