Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is improved ; the mediastinal and hilar contours are stable . Bibasilar opacities persist although they are improved in appearance compared to prior . There is no large pleural effusion or pneumothorax . An electronic device projects over the left upper abdomen on the frontal view . On the lateral view , clips project in the expected region of site of cholecystectomy .
    OUTPUT:
    
Improving heart size and bibasilar opacities , compatible with improving CHF .