label: Stage IVB Major Salivary Gland Cancer AJCC v8
label_lc: stage ivb major salivary gland cancer ajcc v8
description: "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.)"