Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Redemonstrated is a left - sided chest tube is noted to be in situ . There has been interval increase in the size of the mediastinum as well as mild rightward tracheal deviation , suggestive of a mediastinal or paramediastinal hematoma . As compared to the prior examination , there has been an overall decrease in the opacification of the left mid and lower lung . The right lung is grossly unremarkable in appearance , with no pneumothorax , pleural effusion , or pulmonary edema identified . Redemonstrated is the patient 's known left upper lobe mass . The heart size is normal .
    OUTPUT:
    
1 . Interval increase in mediastinal width with rightward tracheal deviation , suggestive of a postoperative mediastinal or paramediastinal hematoma . 2 . Left - sided chest tube in situ without evidence of pneumothorax .