Collaborative Stage for TNM 7 - Revised 12/01/2009 [ Schema ]
| Code | Description |
| 000 | Lymph nodes were not assessed |
| 010 | Clinical assessment |
| 020 | Radiography; Imaging (US, CT, MRI, PET) |
| 030 | Incisional biopsy; FNA |
| 040 | Lymphadenectomy Excisional biopsy or resection with microscopic confirmation other than by biopsy |
| 988 | Not applicable: Information not collected for this case |
| 999 | Unknown Not Documented in patient record |