Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to prior , there is improvement of the diffuse airspace disease . Right upper and lower lobe opacities are likely residual pulmonary edema . No appreciable pleural effusion is seen . There is mild decrease in cardiomegaly , and the mediastinal and hilar contours . There has been interval removal of Swan - Ganz catheter . No pneumothorax is seen . Biapical thickening is unchanged .
    OUTPUT:
    
Interval improvement of pulmonary edema . Remaining right upper and lower lobe ulna edema .