preferred_name: Information is not available at this time, but it is expected that it will be available later (e.g., radiation was administered and was ongoing at the time of most recent follow-up).
preferred_name_lc: information is not available at this time, but it is expected that it will be available later (e.g., radiation was administered and was ongoing at the time of most recent follow-up).
label: Information is not available at this time, but it is expected that it will be available later (e.g., radiation was administered and was ongoing at the time of most recent follow-up).
label_lc: information is not available at this time, but it is expected that it will be available later (e.g., radiation was administered and was ongoing at the time of most recent follow-up).