label: Stage IVB Laryngeal Squamous Cell Carcinoma AJCC v7
label_lc: stage ivb laryngeal squamous cell carcinoma ajcc v7
description: "Stage IVB includes: (T4b, Any N, M0); (Any T, N3, 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.  M0: No distant metastasis. (AJCC 7th ed.)"