Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to the recent chest radiograph on ___ , the lungs appear overall better aerated . Post - CABG changes are present . Bibasilar opacities are re-demonstrated , which likely represent small pleural effusions with adjacent atelectasis . No new areas of focal consolidation . No pneumothorax . Heart size is top - normal . A catheter is seen projecting over the medial portion of the right hemithorax entering the peritoneal cavity , which may represent a ventriculoperitoneal shunt . No acute osseous abnormalities identified .
    OUTPUT:
    
1 . Bibasilar opacities likely representing small pleural effusions with adjacent atelectasis . No pneumothorax . 2 . Stable mild cardiomegaly .