Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest film dated ___ at 11 :56 is submitted .
    OUTPUT:
    
Right internal jugular central line unchanged in position . Interval extubation and removal of the nasogastric tube . Interval removal of the left basilar chest tube with possible tiny left apical pneumothorax . This can be better assessed on followup imaging . Persistent bilateral small layering effusions with bibasilar patchy opacities suggestive of partial lower lobe atelectasis , left greater than right . Status post median sternotomy for CABG . Overall cardiac contour is difficult to assess due to the low lung volumes . Mediastinal contours are stable . No pulmonary edema .