Collaborative Stage for TNM 7 - Revised 10/31/2010 [ Schema ]
| Code | Description | TNM 7 Map | TNM 6 Map | SS77 Map | SS2000 Map | 
| 000 | No regional lymph node involvement | N0 | N0 | NONE | NONE | 
| 100 | Regional lymph nodes by primary site: All Head and Neck Subsites: Cervical Lip: Facial, NOS: Buccinator (buccal) Nasolabial Mandibular Submandibular (submaxillary) Submental Parotid, NOS: Infra-auricular Preauricular Eyelid/canthus: Facial, NOS: Buccinator (buccal) Nasolabial Mandibular: Submandibular (submaxillary) Submental Parotid, NOS: Infra-auricular External ear and auditory canal: Mastoid (posterior, retro-auricular) (occipital) Preauricular Face, Other (cheek, chin, forehead, jaw, nose, and temple): Facial, NOS: Buccinator (buccal) Nasolabial Mandibular: Submandibular (submaxillary) Submental Parotid, NOS: Infra-auricular Preauricular Scalp: Mastoid (posterior, retro-auricular) (occipital) Parotid, NOS: Infra-auricular Preauricular Spinal accessory (posterior cervical) Neck: Axillary Mastoid (posterior, retro-auricular) (occipital) Mandibular Parotid, NOS: Infra-auricular Preauricular Spinal accessory (posterior cervical) Supraclavicular (transverse cervical) Arm/shoulder: Axillary Spinal accessory for shoulder Epitrochlear for hand/forearm Leg/hip: Femoral (superficial inguinal) Popliteal for heel and calf Thorax: Hilar (bronchopulmonary) (proximal lobar) (pulmonary root) Mediastinal Abdomen: Celiac Iliac Para-aortic Pelvis: Deep inguinal, NOS: Rosenmuller or Cloquet node Superficial inguinal (femoral) Upper trunk: Axillary Cervical Internal mammary Supraclavicular (transverse cervical) Lower trunk: Superficial inguinal (femoral) All sites: Regional lymph node(s), NOS Stated as N1 with no other information on regional lymph nodes  | N1 | N1 | RN | RN | 
| 120 | Submental nodes for  neck primary only  (Including bilateral or contralateral nodes)  | N1 | N1 | D | RN | 
| 150 | Neck primary only: 120 + 100  | N1 | N1 | D | RN | 
| 800 | Lymph nodes, NOS | N1 | N1 | RN | RN | 
| 999 | Unknown; regional lymph nodes not stated Regional lymph nodes cannot be assessed Not documented in patient record (See Note 3)  | NX | NX | U | U |