Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are bilateral hazy opacities throughout the lungs , right greater than left , likely progressed since recent CT scan based on scout view . Trace right pleural effusion is noted . The cardiac silhouette is enlarged but unchanged . The mitral and tricuspid valve replacements are identified . Median sternotomy wires are seen . IVC filter is identified as well surgical clips in the upper abdomen .
    OUTPUT:
    
Bilateral parenchymal opacities , right greater than left have progressed since recent CT . This could represent edema or infection including possibility of atypical infection .