Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left internal jugular central venous catheter tip terminates in the mid SVC . Heart size appears mildly enlarged but unchanged . The mediastinal contours are unremarkable . Mild pulmonary vascular congestion is demonstrated with upper zone vascular redistribution . Lung volumes are low with streaky and patchy bibasilar opacities , likely atelectasis . No focal consolidation , large pleural effusion or pneumothorax is detected on this supine exam . Vascular calcifications are noted diffusely .
    OUTPUT:
    
Left internal jugular central venous catheter tip in the mid SVC . No large pneumothorax noted on this supine exam . Low lung volumes with mild pulmonary vascular congestion and bibasilar atelectasis .