Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are markedly low which accentuates bronchovascular markings . A right internal jugular catheter is in stable position . Drainage tubes overlie the chest in similar position to the prior examination . Bibasilar opacities are re - demonstrated and likely reflect atelectasis . There is mild pulmonary vascular engorgement without overt edema . No pneumothorax .
    OUTPUT:
    
Markedly low lung volumes with bibasilar atelectasis and mild pulmonary vascular engorgement . No pneumothorax .