Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Median sternotomy wires and mitral valve annuloplasty . Mild cardiomegaly and aortic tortuosity are unchanged . Stable moderate left and small right pleural effusions . Slightly improved aeration in the left lower lobe , with a significant amount of residual opacity . Slightly increased patchy opacity in the right infrahilar region . Numerous calcified right hilar lymph nodes . Persistent mild interstitial edema , with diffuse Kerley B lines . Mild left and severe right acromioclavicular arthropathy , with joint space narrowing and marginal osteophytes .
    OUTPUT:
    
1 . Mild pulmonary edema and bilateral pleural effusions . 2 . Decreased left lower and increased right lower lobe opacity . Though likely due to atelectasis , superimposed consolidation can not be excluded .