Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A new right internal central jugular venous catheter terminates at the upper superior vena cava . There is no evidence for pneumothorax . The heart is moderately enlarged , as before , and the patient is status post coronary artery bypass graft surgery . There is new patchy opacification of the left lung base , suspected to represent a combination of pleural effusion and atelectasis . The right lung remains clear .
    OUTPUT:
    
1 . Satisfactory position of central venous catheter in the superior vena cava . No evidence of pneumothorax . 2 . New patchy left basilar opacification , not entirely specific but most suggestive of atelectasis and pleural effusion .