Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy , aortic valve replacement , and CABG . The heart size remains mild to moderately enlarged . The mediastinal and hilar contours are unchanged . Pulmonary vasculature is mildly engorged without overt pulmonary edema . Small bilateral pleural effusions are again noted , as seen on the most recent radiograph . Patchy atelectasis is seen in the lung bases , not substantially changed in the interval . There is no pneumothorax . Clips are noted in the right upper quadrant of the abdomen . There are no acute osseous abnormalities visualized .
    OUTPUT:
    
Mild pulmonary vascular engorgement with small bilateral pleural effusions and mild bibasilar atelectasis .