Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Blunting of the posterior costophrenic angles as compatible small bilateral effusions perhaps mildly improved since prior . Left PICC terminates in the lower SVC . The lungs are clear of consolidation . The cardiomediastinal silhouette is stable . Calcified mediastinal and hilar nodes are identified . The bones are osteopenic limiting evaluation .
    OUTPUT:
    
Small bilateral pleural effusions , perhaps decreased since recent prior . No definite superimposed acute cardiopulmonary process .