Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no change in the size or appearance of the large right upper lobe mass . There are no focal consolidations . The pulmonary vasculature is normal . The heart is not enlarged . There is no pleural effusion . There is no pneumothorax .
    OUTPUT:
    
1 . No evidence of pneumothorax . 2 . Unchanged appearance of the large right upper lobe mass .