Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is biapical and upper paramediastinal scarring compatible with prior radiation . There are small bilateral pleural effusions , similar to prior . There is no superimposed consolidation or edema . Cardiac silhouette is top - normal , similar to prior . No acute osseous abnormalities .
    OUTPUT:
    
Persistent small effusions and biapical scarring , similar compared to prior . Cardiac silhouette is stable , noting that pericardial effusion had been present on prior exam .