Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left internal jugular catheter terminates in the region of the high SVC or distal left brachiocephalic vein . Lung volumes are slightly low . There is mild to moderate pulmonary edema . No significant pleural effusion or pneumothorax is detected . Heart size is top normal . There is widening of the soft tissue space between the left brachiocephalic vein and trachea , raising suspicion for hematoma .
    OUTPUT:
    
1 . Left internal jugular catheter with tip in the region of the junction of the left brachiocephalic vein and high superior vena cava with possible hematoma along the medial left brachiocephalic vein . Close clinical observation is recommended . 2 . Mild to moderate pulmonary edema . These findings were reported to Dr . ___ by Dr . ___ by phone at 8 : 58 a .m . on ___ .