Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior chest radiograph there has been slight improvement in the degree of aeration of the bilateral lungs , likely reflecting resolving pulmonary edema . There are reticular opacities with cystic change seen peripherally bilaterally consistent with the patient 's known interstitial lung disease . The cardiomediastinal contour is unchanged compared to the prior study . No pneumothorax seen .
    OUTPUT:
    
Interval improvement in the aeration of the bilateral lungs likely reflecting improving pulmonary edema . There are background changes of interstitial lung disease .