preferred_name: Nasopharyngeal Cancer Pathologic Regional Lymph Nodes TNM Finding v7
preferred_name_lc: nasopharyngeal cancer pathologic regional lymph nodes tnm finding v7
label: Nasopharyngeal Cancer Pathologic Regional Lymph Nodes TNM Finding v7
label_lc: nasopharyngeal cancer pathologic regional lymph nodes tnm finding v7