Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Upright and lateral views of the chest were obtained . The upper lobe mass is again identified just superior to the left pulmonary hilum without significant change from prior . No new consolidation , effusion , or pneumothorax . No free air below the right hemidiaphragm . Heart size appears stable . Bony structures are intact .
    OUTPUT:
    
Unchanged appearance of left upper lobe mass . No signs of pneumonia or free air below the right hemidiaphragm .