preferred_name: No proper value is applicable in this context (e.g., radiation therapy was not administered; diagnosed at autopsy).
preferred_name_lc: no proper value is applicable in this context (e.g., radiation therapy was not administered; diagnosed at autopsy).
label: No proper value is applicable in this context (e.g., radiation therapy was not administered; diagnosed at autopsy).
label_lc: no proper value is applicable in this context (e.g., radiation therapy was not administered; diagnosed at autopsy).