Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable upright chest radiograph was obtained . No pneumothorax is seen . The lungs appear well expanded with right infrahilar mass redemonstrated . Thin linear density projecting within this lesion may reflect the fiducial marker though it is not well seen . Cardiac size and tortuous aortic contour are unchanged .
    OUTPUT:
    
No pneumothorax with a thin linear density in the infrahilar mass in the right lung perhaps reflecting the fiducial marker .