Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post CABG , with intact median sternotomy wires . Enlargement of the cardiomediastinal silhouette is stable . There is mild bibasilar atelectasis . There is a probable small right pleural effusion . No overt pulmonary edema . No pneumothorax . An endotracheal tube terminates approximately 5 cm above the carina . A Swan - Ganz catheter terminates in the main pulmonary artery or left pulmonary artery . An enteric tube terminates below the level of the diaphragm and off the field - of - view .
    OUTPUT:
    
1 . Bibasilar atelectasis and probable small right pleural effusion . No overt pulmonary edema . 2 . A Swan - Ganz catheter terminates in the main pulmonary artery or left pulmonary artery .