right internal jugular swan-ganz catheter now has its tip in the right pulmonary artery. right subclavian picc line unchanged in position. dual lead left-sided pacer unchanged in position. status post median sternotomy with aortic valve replacement and stable postoperative cardiac and mediastinal contours. bilateral layering pleural effusions with stable bibasilar airspace opacities suggestive of compressive atelectasis, although pneumonia cannot be excluded. low lung volumes with crowding of pulmonary vasculature and no overt pulmonary edema. pulmonary venous hypertension.