Lung Cancer pT3 TNM Finding v9

**Semantic type:** Finding

**Definition:** Lung cancer with tumor measuring more than 5 cm but 7 cm or less in greatest dimension or tumor measuring 7 cm or less with one or more of the following features: invasion of parietal pleura or chest wall; invasion of pericardium, phrenic nerve or azygos vein (although these structures lie within the mediastinum, the degree of mediastinal penetration by the tumor needed to invade these structures is not counted as T4); invasion of thoracic nerve roots (i.e., T1, T2) or stellate ganglion; presence of separate tumor nodule(s) in the same lobe as the primary. (from AJCC 9th Ed.)