Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is been interval placement of a right supraclavicular large bore catheter , which terminates at the level of the upper to mid SVC . A left EJ catheter is unchanged in the left neck . The inspiratory lung volumes are decreased with resultant bronchovascular crowding and accentuation of the cardiomediastinal silhouette . The cardiomediastinal silhouette is likely within normal limits as on the outside same day radiograph . No infiltrate , effusion , or pneumothorax is identified . Healed bilateral rib fractures are noted .
    OUTPUT:
    
Low lung volumes slightly accentuate the cardiomediastinal silhouette , which is likely normal .