Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . On the frontal view , there are hazy opacities projecting over the right mid-to - lower and left mid - to - upper lung which localizes posteriorly on the lateral view and are compatible with posteriorly loculated effusions / possible empyemas on chest CT . More spiculated opacity in the left upper lung posteriorly is also seen for which followup will be necessary . There is a small amount of fluid layering dependently on both sides . There is no definite superimposed acute consolidation . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormality is identified .
    OUTPUT:
    
Posteriorly loculated effusions / possible empyemas seen bilaterally . More spiculated opacity in the left upper lung , potentially due to scarring , although underlying mass lesion would also be of concern and continued followup by CT is suggested . Layering bilateral effusions . Overall , there has been no significant interval change since ___