Stage IV Lung Cancer AJCC v7

**Semantic type:** Neoplastic Process

**Definition:** Stage IV includes: (Any T, Any N, M1a); (Any T, Any N, M1b). M1a: Lung cancer with separate tumor nodule(s) in a contralateral lobe; tumor with pleural nodules or malignant pleural (or pericardial) effusion. M1b: Distant metastasis. (AJCC 7th ed.)

**Synonyms:** - Stage IV Lung Cancer - Stage IV Lung Cancer