Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . As on prior , there are increased interstitial opacities . More conspicuous right basilar opacity is seen , and there are probable right greater than left pleural effusions . Degree of cardiomegaly is unchanged . Atherosclerotic calcifications noted at the aortic arch .
    OUTPUT:
    
Interstitial edema and probable right greater than left effusions . More dense right basilar opacity could represent superimposed pneumonia . If desired , PA and lateral could be obtained to further characterize .