UML diagram of radiotherapy procedures

Note: The brachytherapy procedure itself is only fully defined by the method and using energy with three GCI axioms to subsume brachytherapies by implementation, insertion, or application methods. Contact therapy is a direct subconcept Brachytherapy. However, there are no subsumptions between their subtypes of brachytherapy and contact therapy because of the modeling differnces in the second role group.