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{
"id" : "extension_bal",
"algorithm" : "eod_public",
"version" : "1.0",
"name" : "EOD Primary Tumor",
"title" : "EOD Primary Tumor",
"notes" : "**Note 1:** The wall of the stomach has five layers: mucosal (code 100), submucosal (code 200), muscular (code 400), subserosal (code 500) and serosal (code 600). \n\n**Note 2:** Code 400 if the diagnosis states linitis plastica and no other information regarding extension is available. \n* Linitis plastica is defined as diffuse involvement of the entire thickness of the stomach wall.\n\n**Note 3:** Intraluminal or intramural extension to esophagus and duodenum is classified by the depth of greatest invasion in any of these sites, including stomach. (For extension to esophagus or duodenum via serosa, see code 700).\n\n**Note 4:** For structures listed in codes 700 and 750, contiguous extension is coded in this field. If there is discontiguous extension of any of these structures, code involvement in EOD Mets.",
"footnotes" : "(1) Fritz AG, Ries LAG (eds). **SEER Extent of Disease 1988: Codes and Coding Instructions (3rd Edition, 1998)**, National Cancer Institute, NIH Pub. No. 98-2313, Bethesda, MD, 1998\n\n(2) Young JL Jr, Roffers SD, Ries LAG, Fritz AG, Hurlbut AA (eds.). **SEER Summary Staging Manual-2000: Codes and Coding Instructions**, National Cancer Institute, NIH Pub. No. 01-4969, Bethesda, MD, 2001.\n\n(3) Collaborative Stage Work Group of the American Joint Committee on Cancer. **Collaborative Stage Data Collection System User Documentation and Coding Instructions, version 02.05**. American Joint Committee on Cancer (Chicago, IL)\n\n(4) Gress, D.M., Edge, S.B., Gershenwald, J.E., et al. **Principles of Cancer Staging**. In: Amin, M.B., Edge, S.B., Greene, F.L., et al. (Eds.) AJCC Cancer Staging Manual. 8th Ed. New York: Springer; 2017: 3-30\n\n(5) Ajani, J.A., In, H., Sano, T., Hofstetter, W.L., et al. **Stomach**. In: Amin, M.B., Edge, S.B., Greene, F.L., et al. (Eds.) AJCC Cancer Staging Manual. 8th Ed. New York: Springer; 2017: 203-220",
"last_modified" : "2018-03-12T16:39:57.903Z",
"definition" : [ {
"key" : "eod_primary_tumor",
"name" : "Code",
"type" : "INPUT"
}, {
"key" : "description",
"name" : "Description",
"type" : "DESCRIPTION"
}, {
"key" : "eod_2018_t",
"name" : "EOD 2018 T",
"type" : "ENDPOINT"
}, {
"key" : "ss2018_t",
"name" : "SS2018 T",
"type" : "ENDPOINT"
} ],
"rows" : [ [ "000", "In situ, intraepithelial, noninvasive\n(Adeno)carcinoma, noninvasive, in a polyp", "VALUE:Tis", "VALUE:IS" ], [ "100", "Intramucosal, NOS\nLamina propria\nMuscularis mucosae\nPerimuscular tissue invaded\n\nMucosa\n- WITH or WITHOUT intraluminal extension to esophagus or duodenum", "VALUE:T1a", "VALUE:L" ], [ "200", "Submucosa (superficial, NOS)\n- WITH or WITHOUT intraluminal extension to esophagus or duodenum", "VALUE:T1b", "VALUE:L" ], [ "300", "Confined to polyp (head, stalk, NOS)\nImplants inside stomach\n\nConfined to stomach, NOS\nLocalized, NOS", "VALUE:T1", "VALUE:L" ], [ "400", "Muscularis propria (but not through)\n- WITH or WITHOUT intraluminal extension to esophagus or duodenum\n\nLinitis plastica and no other information regarding extension available", "VALUE:T2", "VALUE:L" ], [ "500", "Through muscularis propria or muscularis, NOS\n- WITH or WITHOUT intraluminal extension to esophagus or duodenum\n\nExtension through wall, NOS\nPerimuscular tissue invaded\nSubserosal tissue/(sub)serosal fat invaded", "VALUE:T3", "VALUE:L" ], [ "600", "Extension to adjacent (connective) tissue \n- WITHOUT perforation of visceral peritoneum covering these structures\n\nGastric artery\nLigaments \n- Gastrocolic\n- Gastrohepatic\n- Gastrosplenic\n\nOmentum (greater, lesser, NOS)\nPerigastric fat", "VALUE:T3", "VALUE:RE" ], [ "650", "Mesothelium\nSerosa\nTunica serosa\nVisceral peritoneum", "VALUE:T4a", "VALUE:RE" ], [ "700", "Colon/mesocolon (including transverse and flexures)\nDiaphragm\nDuodenum (via serosa)\nEsophagus (via serosa)\nIleum\nJejunum\nLiver\nPancreas\nSmall intestine, NOS\nSpleen", "VALUE:T4b", "VALUE:RE" ], [ "750", "Abdominal wall \nAdrenal (suprarenal) gland\nAorta \nCeliac axis\nKidney\nRetroperitoneum\n\nFurther contiguous extension", "VALUE:T4b", "VALUE:D" ], [ "800", "No evidence of primary tumor", "VALUE:T0", "VALUE:U" ], [ "999", "Unknown; extension not stated\nPrimary tumor cannot be assessed\nNot documented in patient record\n\nDeath Certificate Only", "VALUE:TX", "VALUE:U" ] ]
}