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

MerkelCellScrotum

CS Lymph Nodes

CodeDescriptionTNM 7 MapTNM 6 MapSS77 MapSS2000 Map
000No regional lymph node involvementN0N0NONENONE
010Isolated tumor cells (ITCs) onlyN1aN0NONENONE
100Regional lymph nodes:
    Iliac, NOS:
        External
        Internal (hypogastric), NOS:
            Obturator
    Inguinal, NOS:
        Deep inguinal, NOS:
            Node of Cloquet or Rosenmuller (highest deep inguinal)
        Superficial inguinal (femoral)
    Regional lymph node(s), NOS
^N1RNRN
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
800Lymph nodes, NOSN1NOSN1RNRN
999Unknown; regional lymph nodes not stated
Regional lymph nodes cannot be assessed
Not documented in patient record
NXNXUU