Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest radiograph ___ at 12 :25 is submitted .
    OUTPUT:
    
Interval extubation and removal of the right internal jugular Swan - Ganz catheter , mediastinal drains , nasogastric tube , and right chest tube . Right internal jugular introducing catheter remains in place . No pneumothorax is seen . Patchy opacities at both bases in the setting of low volumes likely reflects atelectasis . Probable small effusions . Status post median sternotomy with stable postoperative cardiac and mediastinal contours . No pulmonary edema .