Collaborative Stage for TNM 7 - Revised 11/03/2009 [ Schema ]
| Code | Description | Staging Basis 7 | Staging Basis 6 |
| 0 | Does not meet criteria for AJCC pathologic staging of distant metastasis: Evaluation of distant metastasis based on physical examination, imaging examination, and/or other non-invasive clinical evidence. No microscopic examination of metastasis performed or pathologic examination was negative. | c | |
| 1 | Does not meet criteria for AJCC pathologic staging of distant metastasis: Evaluation of distant metastasis based on endoscopic examination or other invasive technique, including surgical observation without biopsy. No microscopic examination of metastasis performed or microscopic examination was negative. | c | |
| 2 | Meets criteria for AJCC pathologic staging of distant metastasis: No microscopic examination of metastasis done prior to death, but positive metastatic evidence derived from autopsy (tumor was suspected or diagnosed prior to autopsy). | p | |
| 3 | Meets criteria for AJCC pathologic staging of distant metastasis: Positive microscopic examination of metastasis performed WITHOUT pre-surgical systemic treatment or radiation OR positive microscopic examination of metastasis performed, unknown if pre-surgical systemic treatment or radiation performed OR positive microscopic examination of metastasis performed prior to neoadjuvant treatment. | p | |
| 5 | Does not meet criteria for AJCC y-pathologic (yp)staging of distant metastasis: Positive microscopic examination of metastasis performed WITH pre-surgical systemic treatment or radiation, and metastasis based on clinical evidence. | c | |
| 6 | Meets criteria for AJCC y-pathologic (yp)staging of distant metastasis: Positive microscopic examination of metastasis performed WITH pre-surgical systemic treatment or radiation, BUT metastasis based on pathologic evidence. | yp | |
| 8 | Meets criteria for AJCC autopsy (a) staging of distant metastasis: Evidence from autopsy AND tumor was unsuspected or undiagnosed prior to autopsy. | a | |
| 9 | Not applicable for this site (Version 1) Not assessed; cannot be accessed Unknown if accessed Not documented in patient record | c |