preferred_name: No proper value is applicable in this context (e.g., single tumor; information on multiple tumors not collected/not applicable for this site).
preferred_name_lc: no proper value is applicable in this context (e.g., single tumor; information on multiple tumors not collected/not applicable for this site).
label: No proper value is applicable in this context (e.g., single tumor; information on multiple tumors not collected/not applicable for this site).
label_lc: no proper value is applicable in this context (e.g., single tumor; information on multiple tumors not collected/not applicable for this site).