Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right subclavian approach central venous catheter is in position with the tip terminating at the mid SVC . The course of the line is otherwise unremarkable . No pneumothorax is detected . The inspiratory lung volumes are low . Bibasilar streaky opacities most likely represent mild atelectasis . Pulmonary vascular congestion and minimal pulmonary interstitial edema is noted . No significant pleural effusion is seen , although small effusions are suspected . The cardiac silhouette is top normal in size . The mediastinal contours are prominent in part related to unfolding of the thoracic aorta . Calcification of the aortic knob is noted . The trachea is midline . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
1 . Right subclavian central venous catheter with tip terminating in the mid SVC . No pneumothorax . 2 . Pulmonary vascular congestion and minimal pulmonary interstitial edema . 3 . Top normal heart size .