preferred_name: Nasopharyngeal Cancer Pathologic Regional Lymph Nodes TNM Finding v6
preferred_name_lc: nasopharyngeal cancer pathologic regional lymph nodes tnm finding v6
label: Nasopharyngeal Cancer Pathologic Regional Lymph Nodes TNM Finding v6
label_lc: nasopharyngeal cancer pathologic regional lymph nodes tnm finding v6