Collaborative Stage for TNM 7 - Revised 11/09/2010  [ Schema ]

MerkelCellSkin

CS Lymph Nodes

CodeDescriptionTNM 7 MapTNM 6 MapSS77 MapSS2000 Map
000No regional lymph node involvementN0N0NONENONE
010Isolated tumor cells (ITCs) onlyN1aN0NONENONE
100Regional lymph nodes by primary site (includes bilateral
or contralateral nodes for head, neck, and trunk)
Head and Neck:
    All subsites: Cervical
     Lip:
        Mandibular, NOS:
        Submandibular (submaxillary)
    External ear/auditory canal:
         Mastoid (post-/retro-auricular) (occipital)
        Preauricular
    Face, Other (cheek, chin, forehead, jaw, nose and temple):
        Facial, NOS:
            Buccinator (buccal)
            Nasolabial
        Mandibular, NOS:
            Submandibular (submaxillary)
        Parotid, NOS:
            Infra-auricular
            Preauricular
    Scalp:
        Mastoid (post-/retro-auricular) (occipital)
        Parotid, NOS:
            Infra-auricular
            Preauricular
        Spinal accessory (posterior cervical)
    Neck:
        Axillary
        Mandibular, NOS
        Mastoid (post-/retro-auricular) (occipital)
        Parotid, NOS:
            Infra-auricular
            Preauricular
        Spinal accessory (posterior cervical)
        Supraclavicular (transverse cervical)
Upper Trunk:
    Axillary
    Cervical
    Internal mammary (parasternal)
    Supraclavicular (transverse cervical)
Lower Trunk:
    Femoral (superficial inguinal)
Arm/Shoulder:
    Axillary
    Epitrochlear for hand/forearm
    Spinal accessory for shoulder
Leg/Hip:
    Femoral (superficial inguinal)
    Popliteal for heel and calf
All sites: Regional lymph node(s), NOS
^N1RNRN
200Head and Neck:
    Lip:
        Facial, NOS:
             Buccinator (buccal)
            Nasolabial
        Submental
        Parotid, NOS:
            Infra-auricular
            Preauricular
    Face, Other (cheek, chin, forehead, jaw, nose, and temple):
        Submental
    Neck:    Submental
^N1DRN
300200 + 100

Regional lymph nodes coded in 200 plus regional lymph nodes coded in 100
^N1DRN
320Stated as N1a with no other information on regional lymph nodes^N1RNRN
340Stated as N1b with no other information on regional lymph nodes^N1RNRN
360Stated as N1 [NOS] with no other information on regional lymph nodes^N1RNRN
400In-transit metastasis WITHOUT regional lymph node involvement or involvement of regional lymph nodes not stated (See Note 2)N2N1RNRN
420400 + 100

In-transit metastasis WITH regional lymph nodes listed in code 100 (See Note 2)
N2N1RNRN
440400 + 200

In-transit metastasis WITH regional lymph nodes listed in code 200 (See Note 2)
N2N1DRN
460400 + 100 + 200

In-transit metastasis WITH regional lymph nodes listed in codes 100 and 200 (see Note 2)
N2N1DRN
480Stated as N2 [NOS] with no other information on regional lymph nodesN2N1DRN
800Lymph nodes, NOSN1NOSN1RNRN
999Unknown; regional lymph nodes not stated
Regional lymph nodes cannot be assessed
Not documented in patient record
NXNXUU