Pleural Diffuse Malignant Mesothelioma pN1 TNM Finding v9

**Semantic type:** Finding

**Definition:** Pleural diffuse malignant mesothelioma with tumor involvement of ipsilateral bronchopulmonary, hilar, or mediastinal (including the internal mammary, peridiaphragmatic, pericardial fat pad, or intercostal lymph nodes) regional lymph nodes. (from AJCC 9th ed.)