preferred_name: No proper value is applicable in this context (e.g., no diagnostic or staging procedure performed; autopsy only case).
preferred_name_lc: no proper value is applicable in this context (e.g., no diagnostic or staging procedure performed; autopsy only case).
label: No proper value is applicable in this context (e.g., no diagnostic or staging procedure performed; autopsy only case).
label_lc: no proper value is applicable in this context (e.g., no diagnostic or staging procedure performed; autopsy only case).