Stage IVB Laryngeal Cancer AJCC v8

**Semantic type:** Neoplastic Process

**Definition:** Stage IVB includes: (Any T, N3, M0); (T4b, Any N, M0). T4b: Supraglottis: Very advanced local disease. Tumor invades prevertebral space, encases carotid artery, or invades mediastinal structures. Glottis: Very advanced local disease. Tumor invades prevertebral space, encases carotid artery, or invades mediastinal structures. Subglottis: Very advanced local disease. Tumor invades prevertebral space, encases carotid artery, or invades mediastinal structures. N3: Metastasis in a lymph node, more than 6 cm in greatest dimension and ENE(-); or metastasis in a single ipsilateral lymph node, more than 3 cm in greatest dimension and ENE(+); or metastases in multiple ipsilateral, contralateral, or bilateral lymph nodes and any with ENE(+). M0: No distant metastasis. (AJCC 8th ed.)

**Synonyms:** - Stage IVB Laryngeal Carcinoma AJCC v8 - Stage IVB Laryngeal Throat Cancer