Stage IVB Laryngeal Squamous Cell Carcinoma AJCC v7

**Semantic type:** Neoplastic Process

**Definition:** 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.)

**Synonyms:** - Stage IVB Epidermoid Carcinoma of Larynx - Stage IVB Epidermoid Carcinoma of the Larynx - Stage IVB Laryngeal Epidermoid Carcinoma - Stage IVB Laryngeal Squamous Cell Carcinoma - Stage IVB Laryngeal Throat Squamous Cell Cancer - Stage IVB Larynx Epidermoid Carcinoma - Stage IVB Larynx Squamous Cell Carcinoma - Stage IVB Squamous Cell Carcinoma of Larynx - Stage IVB Squamous Cell Carcinoma of the Larynx