                                         __________ RSubduralMet
                                    ____|
                                   |    |          , RIngLNMet
             ______________________|    |__________|
            |                      |               |_ RRib7Met
  __________|                      |
 |          |                      |_____________________________ LAdrenalMet
_|          |
 |          |_____________________________ Primary
 |
 | diploid

