Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Multiple intact sternal wires denote prior cardiac surgical history . A right IJ catheter is unchanged in position . There has been interval extubation and removal of an orogastric tube . A large gastric bubble is now present . The heart size is top normal . Hilar and mediastinal contours are within normal limits . Small bilateral pleural effusions are present . There is mild central bronchopulmonary crowding secondary to low lung volumes ; however , no overt edema is seen .
    OUTPUT:
    
No pneumothorax . Interval extubation and removal of an orogastric tube . Small bilateral pleural effusions . New large gastric bubble .