preferred_name: Personal history of malignant neoplasm of other and unspecified oral cavity and pharynx
preferred_name_lc: personal history of malignant neoplasm of other and unspecified oral cavity and pharynx
label: Personal history of malignant neoplasm of other and unspecified oral cavity and pharynx
label_lc: personal history of malignant neoplasm of other and unspecified oral cavity and pharynx