Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette remains mildly enlarged . In the interval since the prior study , there is increase in interstitial markings bilaterally , particularly centrally , worrisome for worsening pulmonary edema . Right basilar opacity is again seen , which may be due to fluid overload , although an underlying consolidation is not excluded . Small right pleural effusion was better seen on CT as was left lower lobe opacities . Surgical clips are noted overlying the left upper mediastinum . Aortic knob calcifications again seen .
    OUTPUT:
    
Interval increase in interstitial markings bilaterally since the prior study raises concern for worsening pulmonary edema . Small right pleural effusion , better assessed on preceding CT . Left lower lobe opacities better seen on CT