Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly is overall stable compared to the prior exam . Median sternotomy wires , clips and tricuspid valve annuloplasty ring are again noted . There has been interval increase in the moderate left pleural effusion and a persistent right effusion with adjacent compressive atelectasis . There is no evidence of a pneumothorax . The visualized osseous structures are unremarkable .
    OUTPUT:
    
Interval increase in moderate left effusion and grossly unchanged right effusion with adjacent opacities likely secondary to comperessive atelectasis , however an acute infectious process can not be excluded .