|  position &nature of hilar depression
 |  depression marginal to barely submarginal, small (0.2–0.4 mm), shallow to deep, darkened
 |  depression distinctly submarginal, large (0.5–0.8 mm), shallow,
 sometimes darkened
 |  depression distinctly submarginal, small (0.2–0.4 mm), shallow,
 usually  darkened
 |  depression marginal, small (0.2–0.4 mm), shallow to deep,
 not darkened
 
 |  depression marginal to terminal, large (0.4–0.7 mm),
 deep,
 darkened
 | 
        
          |  vascular scar shape | scar linear
 
 see fact sheet foradditional images
 | scar round to oblong
 
 see fact sheet foradditional images
 | scar linear
 
 see fact sheet foradditional images
 | scar indistinct
 
 see fact sheet foradditional images
 | scar linear
 
 see fact sheet foradditional images
 |