Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Volume loss in the right lung consistent with the patient 's prior surgery . There are persistent extensive airspace opacities , right greater than left . This has a predominately perihilar distribution suggesting pulmonary edema . A right pleural effusion is unchanged in appearance . Probable small left pleural effusion .
    OUTPUT:
    
No significant interval change when compared to the prior study .