Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post coronary artery bypass graft surgery . The cardiac , mediastinal and hilar contours are stable . There is again a moderate to large pleural effusion on the right , similar in extent , allowing for small differences in technique . There is probably a persistent small to moderate effusion on the left , similar to perhaps somewhat decreased . The parenchyma shows an interstitial abnormality of moderate severity which is most consistent with pulmonary edema . Partial atelectasis of the right lower lobe is probably unchanged . Along of the in the left lower lobe right lower lobe . Fissures are again thickened . The bones appear demineralized . Biliary stents project over the right upper quadrant . No evidence for free air is demonstrated .
    OUTPUT:
    
Findings suggesting pulmonary edema with bilateral pleural effusions , including a moderate to large suspected effusion on the right side ; no significant change , however .