Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP upright portable view of the chest was obtained . Diffuse alveolar opacities throughout the lungs , right greater than left , which could represent asymmetric edema and / or infection . Slight blunting of the left costophrenic angle may be due to trace pleural effusion . The patient is status post median sternotomy . The cardiac silhouette is top normal . The aorta is calcified .
    OUTPUT:
    
Diffuse bilateral , right much greater than left alveolar opacities could relate to asymmetric edema and / or infection . Correlate clinically and consider repeat after diuresis . Comparison with prior radiographs would be helpful .