Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are markedly low . There is mild bibasilar atelectasis and mild pulmonary vascular congestion . No large pleural effusions . No pneumothorax .
    OUTPUT:
    
Markedly low lung volumes with bibasilar atelectasis . Mild vascular engorgement without overt signs of pulmonary edema .