Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right IJ catheter terminates in the lower SVC . Median sternotomy wires intact and aligned . Interval removal of ET tube , NG tube , and chest tube . No appreciable pneumothorax . Decreased , mild pulmonary vascular congestion . Improvement in perihilar and basilar opacities suggests resolving atelectasis . Cardiomediastinal contours are within normal postoperative limits .
    OUTPUT:
    
No appreciable pneumothorax . Improving pulmonary vascular congestion and perihilar and basilar atelectasis .