NCIt related terms : Stage IVB Major Salivary Gland Cancer;
NCIt definition : Stage IVB includes: (T4b, Any N, M0); (Any T, N3, M0). T4b: Very advanced disease.
Tumor invades skull base and/or pterygoid plates and/or encases carotid artery. N0:
No regional lymph node metastasis. N3: Metastasis in a lymph node larger than 6 cm
in greatest dimension and ENE(-); or in a single ipsilateral node larger than 3 cm
in greatest dimension and ENE( ); or multiple ipsilateral, contralateral, or bilateral
nodes any with ENE( ). M0: No distant metastasis. (AJCC 8th ed.);