Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly unchanged from the prior examination . Interval decrease of interstitial edema . Opacification in the right upper lung . Trace bilateral pleural effusions . No pneumothorax . Pacemaker leads terminate in the right atrium and right ventricle .
    OUTPUT:
    
1 . Opacification in right upper lung concerning for pneumonia . 2 . Decreased interstitial pulmonary edema .