Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: When compared to prior , there has been no significant interval change . Linear left midlung opacity laterally is compatible with scarring . Small bilateral pleural effusions are similar when compared to prior . Elsewhere , the lungs are clear . Degree of cardiomegaly is similar . No acute osseous abnormalities .
    OUTPUT:
    
Small persistent bilateral pleural effusions . No superimposed acute cardiopulmonary process .