Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen are increased interstitial markings with more confluent regions of consolidation in the right lung . There is no effusion . Imaging findings are grossly unchanged given differences in technique compared to exams from 1 month prior . Cardiomediastinal silhouette is stable . Median sternotomy wires are intact . No acute osseous abnormalities .
    OUTPUT:
    
Persistent bilateral parenchymal opacities , more extensive on the right than on the left . Findings may represent a combination of asymmetric edema with possibility of superimposed infection . Overall , appearance is not significantly changed since last month 's exam .