Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post left upper lobe resection with increased opacity at the left apex and mild rightward tracheal deviation . There is no pneumothorax . No pleural effusions are identified . The cardiomediastinal and hilar contours are within normal limits . A left chest tube is demonstrated .
    OUTPUT:
    
Status post left upper lobe resection with increased opacity at the left apex and mild rightward tracheal deviation . These findings suggest the possibility of a postoperative hematoma . No pneumothorax or pleural effusion . Recommend close interval followup .