Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest film ___ at 07 :35 is submitted .
    OUTPUT:
    
Endotracheal tube , left subclavian central line and nasogastric tube are unchanged in position . Interval removal of the right internal jugular dual - lumen catheter . Stable cardiac and mediastinal contours status post median sternotomy for CABG . There continue be layering bilateral effusions with associated patchy airspace disease likely reflecting partial lower lobe atelectasis . Superimposed pneumonia can not be excluded . No pneumothorax . No evidence of pulmonary edema .