Collaborative Stage for TNM 7 - Revised 02/26/2009 [ Schema ]
| Code | Description | TNM 7 Map | TNM 6 Map | SS77 Map | SS2000 Map |
| 000 | In situ; noninvasive; intraepithelial | NA | NA | IS | IS |
| 100 | Invasive tumor confined to trachea | NA | NA | L | L |
| 300 | Localized, NOS | NA | NA | L | L |
| 400 | Adjacent connective tissue Arch of aorta Azygos vein, right Brachiocephalic vein Carotid sheath Common carotid artery(ies) Jugular arch Phrenic nerves Pretracheal fascia Recurrent laryngeal nerve Subclavian artery(ies) Vagus nerve | NA | NA | RE | RE |
| 600 | Adjacent organs/structures Cricoid cartilage Esophagus Pleura Right and left main bronchi Sternum Thymus Thyroid gland Vertebral column | NA | NA | RE | RE |
| 800 | Further contiguous extension | NA | NA | D | D |
| 950 | No evidence of primary tumor | NA | NA | U | U |
| 999 | Unknown extension Primary tumor cannot be assessed Not documented in patient record | NA | NA | U | U |