This is the CodeSystem that contains all the codes in NHI-健保重大傷病-癌症最初診斷AJCC分期 (https://nhicore.nhi.gov.tw/ci/CodeSystem/nhi-cancerstaging) and NHI-健保重大傷病-癌症最初診斷AJCC分期 (https://nhicore.nhi.gov.tw/ci/CodeSystem/nhi-cancerstaging). E.g. what you have to deal with if you get resources containing codes in either of them