Collaborative Stage for TNM 7 - Revised 04/08/2009 [ Schema ]
| Code | Description | TNM 7 Map | TNM 6 Map | SS77 Map | SS2000 Map |
| 000 | None; no regional lymph node involvement | NA | NA | NONE | NONE |
| 100 | Regional lymph node(s) Iliac, NOS: External Internal (hypogastric), NOS: Obturator Inguinal, NOS: Deep inguinal, NOS: Node of Cloquet or Rosenmuller (highest deep inguinal) Superficial inguinal (femoral) Pelvic, NOS Regional lymph node(s), NOS | NA | NA | RN | RN |
| 800 | Lymph nodes, NOS | NA | NA | RN | RN |
| 999 | Unknown; not stated Regional lymph node(s) cannot be assessed | NA | NA | U | U |