Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Large tesion left pneumothorax is new with flattening of diaphragm , displacement of the mediastinum and oligemia of contralateral lung . Left chest tube projects at the apex . Right pigtail is in unchanged position in mid thorax with stable residual 15 mm pneumothorax . PICC line ends in right axillary region . There is a feeding tube and NG tube below the diaphragm . Mediastinal and cardiac contours are unchanged in this patient who had recent sternotomy .
    OUTPUT:
    
Large left tension pneumothorax is new after chest tube placed on water seal . The medical team has been verbally contacted at 10 :45 a .m . .