Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Status post aortic valve replacement and median sternotomy . Worsening bilateral interstitial and alveolar opacities are compatible with worsening moderate pulmonary edema . More focal opacity is seen in the right upper lung field , which may reflect asymmetric pulmonary edema , but infection can not be excluded . An additional patchy opacity is seen in the left lung base , possibly atelectasis . The heart remains moderately enlarged . Mediastinal contour is similar . No pneumothorax . Small bilateral pleural effusions are noted . Chronic left rib deformities are re - demonstrated . Patient status post right arthroplasty .
    OUTPUT:
    
1 . Moderate pulmonary edema , worse in the interval . Small bilateral pleural effusions . 2 . More focal opacity in the right upper lobe may represent asymmetric pulmonary edema however infection can not be excluded . 3 . Left lower lobe patchy opacity , possibly atelectasis .