Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP single view of the chest has been obtained with patient in supine position . Comparison is made with the next preceding portable chest examination of ___ . Similar as identified on the preceding portable chest examination , the patient is status post sternotomy and previous bypass surgery . Heart size has not changed significantly . However , the pulmonary vascular pattern is congested with perivascular haze than before . As on the previous examination , there is evidence of an intraaortic balloon pump device seen to terminate in the proximal portion of the descending aorta just below the aortic arch in appropriate position . There is evidence of a new mediastinal drainage tube and two bilateral chest tubes advanced from below indicating new surgical intervention during the latest examination interval . No pneumothorax can be identified . An NG tube is seen reaching the lower esophagus , but apparently does not pass below the diaphragm . No new pulmonary parenchymal abnormalities are seen .
    OUTPUT:
    
New supine chest examination apparently after redo surgery . Intra-aortic balloon pump device in place , moderately increased congestive pattern in comparison with the next previous study , but no pneumothorax or acute infiltrates .