Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left pacemaker and to pacer leads are seen unchanged in position . A Port - A - Cath is seen with its tip at the cavoatrial junction . Again seen are bilateral pleural effusions , which are largely unchanged allowing for differences in the positioning of the patient . There is mild cardiomegaly . There is no pneumothorax .
    OUTPUT:
    
No significant interval change .