Collaborative Stage for TNM 7 - Revised 11/21/2010  [ Schema ]

GISTColon

CS Lymph Nodes

CodeDescriptionTNM 7 MapTNM 6 MapSS77 MapSS2000 Map
000No regional lymph node involvementN0NANONENONE
050Nodule(s) or foci in pericolic fat/adjacent mesentery/mesocolic fatN1NARNRN
100OBSOLETE DATA RETAINED AND REVIEWED V0203
Code 100 was defined as "Regional lymph nodes for all colon sites: Colic (NOS), Epicolic (adjacent to bowel wall), Mesocolic (NOS), Paracolic/pericolic, Nodule(s) or foci in pericolic fat/adjacent mesentery/mesocolic fat" in CSv1.  Code 100 was defined as "Regional lymph nodes for all colon sites: Colic (NOS), Epicolic (adjacent to bowel wall), Mesocolic (NOS), Paracolic/pericolic" in CSv2:V0201, V0202.  All cases should be reviewed and recoded to appropriate codes; see codes 050 and 110.

Regional lymph nodes for all colon sites:
    Colic (NOS)
    Epicolic (adjacent to bowel wall)
    Mesocolic (NOS)
    Paracolic/pericolic
N1NARNRN
110Regional lymph nodes for all colon sites:
    Colic, NOS
    Epicolic (adjacent to bowel wall)
    Mesocolic, NOS
    Paracolic/pericolic
N1NARNRN
200OBSOLETE DATA RETAINED AND REVIEWED V0203
See codes 210 and 220

Regional lymph nodes, for specific colon sites:
    Cecum:
        Cecal, NOS:
            Anterior (prececal)
            Posterior  (retrocecal)
        Ileocolic
        Right colic
    Ascending colon:
        Ileocolic
        Middle colic
        Right colic
    Transverse colon and flexures:
        Inferior mesenteric for splenic flexure only
        Left colic for splenic flexure only
        Middle colic
        Right colic for hepatic flexure only
    Descending colon:
        Inferior mesenteric
        Left colic   
    Sigmoid colon:
        Inferior mesenteric
        Sigmoidal (sigmoid mesenteric)
        Superior hemorrhoidal
        Superior rectal
N1NARNRN
210Transverse colon and flexures:
        Inferior mesenteric for splenic flexure only
        Left colic for splenic flexure only
        Middle colic
        Right colic for hepatic flexure only
    Descending colon:
        Inferior mesenteric
        Left colic    Sigmoid colon:
        Inferior mesenteric
        Sigmoidal (sigmoid mesenteric)
        Superior hemorrhoidal
        Superior rectal
N1NARNRN
220Regional lymph nodes for descending colon:
    Sigmoid
N1NADRN
300Regional lymph nodes for all colon sites:
    Mesenteric, NOS
    Regional lymph node(s), NOS
N1NARNRN
400Stated as N1 with no other information on regional lymph nodesN1NARNRN
450OBSOLETE DATA RETAINED V0200

Stated as N2 pathologic
ERRORNARNRN
800Lymph nodes, NOSN1NARNRN
999Unknown; regional lymph nodes not stated
Regional lymph nodes cannot be assessed
Not documented in patient record
N0NAUU