Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volume is low . There is no pneumothorax . There is plethora of interstitial markings , which is unclear if due to pulmonary edema with crowding of vessels or superimposed aspiration . There is a left chest tube . Subcutaneous air is noted in the left thorax . Trachea makes sharp right turn at the level of thoracic inlet which is chronic .
    OUTPUT:
    
There is no pneumothorax . There is plethora of interstitial markings , which is unclear if due to pulmonary edema with crowding of vessels or superimposed aspiration .