Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest ___ at 16 :37 are submitted .
    OUTPUT:
    
Right internal jugular central line is unchanged in position . Stable postoperative cardiac and mediastinal contours status post median sternotomy for CABG . Small left layering effusion with minimal residual patchy atelectasis at the left base . No evidence of pulmonary edema or pneumothorax .