Table 3 T4-defining features on a per patient basis at initial diagnosis assessed on computed tomography, positron emission tomography/ computed tomography and with the help of endobronchial ultrasound: (I) Vertebral body; (II) Diaphragm; (III) Esophagus; (IV) Recurrent laryngeal nerve; (V) Heart; (VI) Trachea; (VII) Carina; (VIII) Tumor size > 7 cm; (IX) Mediastinum; (X) Great vessels
N of patients | Single criterion | Vertebral body | Diaphragm | T4 defining features | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Esophagus | Recurrent laryngeal nerve | Heart | Trachea | Carina | Tumor size > 7 cm | Mediastinum | Great vessels | ||||
Vertebral body | – | – | – | – | – | – | – | – | – | – | – |
Diaphragm | – | – | – | – | – | – | – | – | – | – | – |
Esophagus | – | – | – | – | – | – | – | – | – | – | – |
Recurrent laryngeal nerve | – | – | – | – | 1 | – | – | – | – | 1 | 1 |
Heart | 1 | – | – | – | – | 2 | – | – | 1 | 1 | 1 |
Trachea | – | – | – | – | – | – | 4 | 2 | – | 4 | 3 |
Carina | – | – | – | – | – | – | 2 | 11 | 2 | 10 | 10 |
Tumor size > 7 cm | – | – | – | – | – | 1 | – | 2 | 18 | 17 | 14 |
Mediastinum | – | – | – | – | 1 | 1 | 4 | 10 | 17 | 38 | 32 |
Great vessels | 5 | – | – | – | 1 | 1 | 3 | 10 | 14 | 32 | 39 |