Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post recent left upper lobe resection . Recently described mediastinal widening is unchanged . A chest tube remains in place in the upper left hemithorax , and there is a persistent small to moderate left pneumothorax , with apical visceral pleural line now located just below the level of the third posterior left rib . Multifocal patchy and linear atelectasis persists in the mid and lower lungs bilaterally . There is no substantial pleural effusion . Marked gastric distention is observed in the imaged portion of the upper abdomen . Subcutaneous emphysema is present in the left chest wall .
    OUTPUT:
    
Persistent small to moderate left pneumothorax following left upper lobe resection , with chest tube in place . No change in mediastinal widening .