Collaborative Stage Data Set - Revised 01/22/2010 FINAL
| Code | Description | Staging Basis 7 | Staging Basis 6 |
| 0 | OBSOLETE DATA RETAINED V0200 No regional lymph nodes removed for examination. Evaluation based on physical examination, imaging examination, or other non-invasive clinical evidence. No autopsy evidence used. | c | |
| 1 | OBSOLETE DATA RETAINED V0200 No regional lymph nodes removed for examination. Evaluation based on endoscopic examination, diagnostic biopsy including fine needle aspiration of lympoh node(s) or other invasive techniques, including surgical observation without biopsy. No autopsy evidence used. Does not meet criteria for AJCC pathologic staging | c | |
| 2 | OBSOLETE DATA RETAINED V0200 No regional lymph nodes removed for examination, but evidence derived from autopsy (tumor was suspected or diagnosed prior to autopsy). | p | |
| 3 | OBSOLETE DATA RETAINED V0200 Regional lymph nodes removed for examination (removal of at least 1 lymph node) WITHOUT pre-surgical systemic treatment or radiation OR lymph nodes removed for examination, unknown if pre-surgical systemic treatment or radiation performed. Meets criteria for AJCC pathologic staging | p | |
| 5 | OBSOLETE DATA RETAINED V0200 Regional lymph nodes removed for examination WITH pre-surgical systemic treatment or radiation, and lymph node evaluation based on clinical evidence. | c | |
| 6 | OBSOLETE DATA RETAINED V0200 Regional lymph nodes removed for examination WITH pre-surgical systemic treatment or radiation, BUT lymph node evaluation based on pathologic evidence. | yp | |
| 8 | OBSOLETE DATA RETAINED V0200 Evidence from autopsy; tumor was unsuspected or undiagnosed prior to autopsy. | a | |
| 9 | Unknown if lymph nodes removed for examination V01XX Not assessed; cannot be assessed V01XX Unknown if assessed V01XX Not documented in patient record V01XX Not applicable for this schema V0200 | c |