Collaborative Stage for TNM 7 - Revised 01/27/2010

GISTSmallIntestine

Gastrointestinal Stromal Tumors of Small Intestine

C17.0-C17.3, C17.8-C17.9

(M-8935-8936)
C17.0 Duodenum
C17.1 Jejunum
C17.2 Ileum (excludes ileocecal valve C18.0)
C17.3 Meckel diverticulum (site of neoplasm)
C17.8 Overlapping lesion of small intestine
C17.9 Small intestine, NOS
Note: The histologies included in this schema were not staged with AJCC 6th Edition. Therefore, the algorithm will not derive an AJCC 6th TNM or stage group.

CS Tumor Size
CS Extension
CS Tumor Size/Ext Eval
CS Lymph Nodes
CS Lymph Nodes Eval
Reg LN Pos
Reg LN Exam
CS Mets at DX
CS Mets Eval
CS Site-Specific Factor 1 = 988
CS Site-Specific Factor 2 = 988
CS Site-Specific Factor 3 = 988
CS Site-Specific Factor 4 = 988
CS Site-Specific Factor 5 = 988
CS Site-Specific Factor 6
Mitotic Count

CS Site-Specific Factor 7
KIT Immunohistochemistry (IHC)
CS Site-Specific Factor 8
KIT Gene Mutation
CS Site-Specific Factor 9
PDGFRA Gene Mutation
CS Site-Specific Factor 10
Tumor Multiplicity
CS Site-Specific Factor 11 = 988
CS Site-Specific Factor 12 = 988
CS Site-Specific Factor 13 = 988
CS Site-Specific Factor 14 = 988
CS Site-Specific Factor 15 = 988
CS Site-Specific Factor 16 = 988
CS Site-Specific Factor 17 = 988
CS Site-Specific Factor 18 = 988
CS Site-Specific Factor 19 = 988
CS Site-Specific Factor 20 = 988
CS Site-Specific Factor 21 = 988
CS Site-Specific Factor 22 = 988
CS Site-Specific Factor 23 = 988
CS Site-Specific Factor 24 = 988
CS Site-Specific Factor 25 = 988
Histology Inclusion Table AJCC 7th ed.
Histology Exclusion Table AJCC 6th ed. = NA
AJCC TNM 7 Stage - GIST Small Intestine
AJCC TNM 6 Stage = NA
Summary Stage
Extension Size 7th Table
Mitotic Rate Calculation Table

Revision Info List of Schemas