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{
"id" : "extension_bfp",
"algorithm" : "cs",
"version" : "02.05.50",
"name" : "Extension",
"title" : "CS Extension",
"notes" : "**Note 1**: AJCC does not include a Tis category for Neuroendocrine Tumors (NET) of the small intestine. CS Extension code 000 is mapped to TX for AJCC stage and in situ for Summary Stage.\n\n**Note 2**: Ignore intraluminal or lateral extension to adjacent segment(s) of small intestine and code depth of invasion or spread outside the small intestine as indicated.\n\n**Note 3**: The nonperitonealized perimuscular tissue is, for jejunum and ileum, part of the mesentery and, for duodenum in areas where serosa is lacking, part of the retroperitoneum.\n\n**Note 4**: The assignment of the T1 category for neuroendocrine tumors (NET) of the small intestine is based on tumor size. A physician's statement of the T category may be used to code both CS Tumor Size and/or CS Extension if this is the only information in the medical record regarding one or both of these fields. However the two fields are coded independently; for example, the record may document size but not extension. Use codes 170, 210, 410, and 810 as appropriate to code CS Extension based on a statement of T when no other extension information is available.\n\n**Note 5**: Use code 300 for localized tumor only if no information is available to assign code 100, 110, 120. 160, 170, 200 or 210,",
"footnotes" : "- For CS Extension codes 100-170, and 300 ONLY, the T category for AJCC 7 staging is assigned based on the value of CS Tumor Size, as shown in the Extension Size A JCC 7 Table for this schema.",
"last_modified" : "2015-05-27T16:19:13.575Z",
"definition" : [ {
"key" : "extension",
"name" : "Code",
"type" : "INPUT"
}, {
"key" : "description",
"name" : "Description",
"type" : "DESCRIPTION"
}, {
"key" : "ajcc7_t",
"name" : "AJCC 7 T",
"type" : "ENDPOINT"
}, {
"key" : "ajcc6_t",
"name" : "AJCC 6 T",
"type" : "ENDPOINT"
}, {
"key" : "t77",
"name" : "Summary Stage 1977 T",
"type" : "ENDPOINT"
}, {
"key" : "t2000",
"name" : "Summary Stage 2000 T",
"type" : "ENDPOINT"
} ],
"rows" : [ [ "000", "In situ, intraepithelial, noninvasive", "VALUE:TX", "VALUE:Tis", "VALUE:IS", "VALUE:IS" ], [ "050", "OBSOLETE DATA RETAINED AND REVIEWED V0203\nSee code 000\n\n(Adeno)carcinoma in a polyp, noninvasive", "VALUE:TX", "VALUE:Tis", "VALUE:IS", "VALUE:IS" ], [ "100", "Invasive tumor confined to mucosa, NOS, including intramucosal, NOS", "JUMP:extension_size_ajcc7_xff", "VALUE:T1", "VALUE:L", "VALUE:L" ], [ "110", "Invades lamina propria, including lamina propria in a polyp", "JUMP:extension_size_ajcc7_xff", "VALUE:T1", "VALUE:L", "VALUE:L" ], [ "120", "Confined to and not through the muscularis mucosae, including muscularis mucosae in a polyp", "JUMP:extension_size_ajcc7_xff", "VALUE:T1", "VALUE:L", "VALUE:L" ], [ "130", "OBSOLETE DATA RETAINED AND REVIEWED V0203\nSee codes 110, 120, 160\n\nConfined to head of polyp", "JUMP:extension_size_ajcc7_xff", "VALUE:T1", "VALUE:L", "VALUE:L" ], [ "140", "OBSOLETE DATA RETAINED AND REVIEWED V0203\nSee codes 110, 120, 160\n\nConfined to stalk of polyp", "JUMP:extension_size_ajcc7_xff", "VALUE:T1", "VALUE:L", "VALUE:L" ], [ "150", "OBSOLETE DATA RETAINED AND REVIEWED V0203\nSee codes 110, 120, 160\n\nInvasion of polyp, NOS", "JUMP:extension_size_ajcc7_xff", "VALUE:T1", "VALUE:L", "VALUE:L" ], [ "160", "Invades submucosa (superficial invasion) including submucosa in a polyp", "JUMP:extension_size_ajcc7_xff", "VALUE:T1", "VALUE:L", "VALUE:L" ], [ "170", "Stated as T1 with no other information on extension", "JUMP:extension_size_ajcc7_xff", "VALUE:T1", "VALUE:L", "VALUE:L" ], [ "200", "Muscularis propria invaded", "VALUE:T2", "VALUE:T2", "VALUE:L", "VALUE:L" ], [ "210", "Stated as T2 with no other information on extension", "VALUE:T2", "VALUE:T2", "VALUE:L", "VALUE:L" ], [ "300", "Localized, NOS\nIntraluminal spread to other segments of small intestine or cecum", "JUMP:extension_size_ajcc7_xff", "VALUE:T1", "VALUE:L", "VALUE:L" ], [ "400", "Invasion through muscularis propria or muscularis, NOS\nExtension through wall, NOS\nSubserosal tissue/(sub)serosal fat invaded\nTransmural, NOS", "VALUE:T3", "VALUE:T3", "VALUE:L", "VALUE:L" ], [ "410", "Stated as T3 with no other information on extension", "VALUE:T3", "VALUE:T3", "VALUE:RE", "VALUE:RE" ], [ "420", "OBSOLETE DATA CONVERTED V0203\nSee code 458\n\nFat, NOS", "ERROR:", "ERROR:", "ERROR:", "ERROR:" ], [ "450", "OBSOLETE DATA RETAINED V0200\nSee codes 460-470 and 560\n\nAdjacent connective tissue\nMesentery, including mesenteric fat, invaded less than or equal to 2 cm in depth or NOS\nNonperitonealized perimuscular tissue invaded less than or equal to 2 cm in depth or NOS\nRetroperitoneum invaded less than or equal to 2 cm in depth or NOS", "ERROR:", "VALUE:T3", "VALUE:RE", "VALUE:RE" ], [ "458", "Fat, NOS", "VALUE:T3", "VALUE:T3", "VALUE:RE", "VALUE:RE" ], [ "460", "OBSOLETE DATA REVIEWED V0203\nSee codes 465, 485\n\nAdjacent connective tissue\nMesentery, including mesenteric fat\nPerimuscular tissue", "VALUE:T3", "VALUE:T3", "VALUE:RE", "VALUE:RE" ], [ "465", "Adjacent connective tissue\nMesentery, including mesenteric fat less than or equal to 2 centimeters (cm) in depth or NOS\nNonperitonealized perimuscular tissue less than or equal to 2 cm in depth or NOS", "VALUE:T3", "VALUE:T3", "VALUE:RE", "VALUE:RE" ], [ "470", "OBSOLETE DATA REVIEWED V0203\nSee codes 475, 488\n\nFor duodenum primary only:\n Retroperitoneum", "VALUE:T3", "VALUE:T3", "VALUE:RE", "VALUE:RE" ], [ "475", "For duodenum primary only:\n Retroperitoneum less than or equal to 2 cm in depth or NOS", "VALUE:T3", "VALUE:T3", "VALUE:RE", "VALUE:RE" ], [ "480", "For duodenum primary only:\n Ampulla of Vater\n Pancreas\n Pancreatic duct", "VALUE:T3", "VALUE:T3", "VALUE:RE", "VALUE:RE" ], [ "485", "Mesentery invaded greater than 2 cm in depth\nNonperitonealized perimuscular tissue invaded greater than 2 cm in depth", "VALUE:T3", "VALUE:T4", "VALUE:RE", "VALUE:RE" ], [ "488", "For duodenum primary only:\n Retroperitoneum invaded greater than 2 cm in depth", "VALUE:T3", "VALUE:T4", "VALUE:RE", "VALUE:RE" ], [ "500", "Invasion of/through serosa(mesothelium)(tunica serosa) (visceral peritoneum)", "VALUE:T4", "VALUE:T4", "VALUE:L", "VALUE:RE" ], [ "550", "OBSOLETE DATA RETAINED V0200\n\n(500) + [(420) or (450)]", "VALUE:T4", "VALUE:T4", "VALUE:RE", "VALUE:RE" ], [ "560", "OBSOLETE DATA CONVERTED V0203\nSee code 565\n\n(500) + [(420) or (460) or (470) or (480)]", "ERROR:", "ERROR:", "ERROR:", "ERROR:" ], [ "565", "500 + (458, 465, 475, 480, 485, or 488)", "VALUE:T4", "VALUE:T4", "VALUE:RE", "VALUE:RE" ], [ "600", "OBSOLETE DATA RETAINED V0200\nSee codes 480 and 610\n\nFor duodenum primary only:\n Ampulla of Vater\n Diaphragm\n Extrahepatic bile ducts\n Gallbladder\n Pancreas\n Pancreatic duct", "ERROR:", "VALUE:T4", "VALUE:RE", "VALUE:RE" ], [ "610", "For duodenum primary only:\n Diaphragm\n Extrahepatic bile ducts\n Gallbladder", "VALUE:T4", "VALUE:T4", "VALUE:RE", "VALUE:RE" ], [ "650", "For duodenum primary only:\n Blood vessel(s), major:\n Aorta\n Gastroduodenal artery\n Portal vein\n Renal vein\n Superior mesenteric artery or vein\n Vena cava\n Greater omentum\n Hepatic flexure\n Kidney, NOS\n Kidney, right\n Liver, NOS\n Liver, quadrate lobe\n Liver, right lobe\n Omentum, NOS\n Transverse colon\n Ureter, right\nFor jejunum or ileum primary only:\n Colon, including appendix", "VALUE:T4", "VALUE:T4", "VALUE:RE", "VALUE:RE" ], [ "660", "For duodenum primary only:\n Stomach", "VALUE:T4", "VALUE:T4", "VALUE:RE", "VALUE:RE" ], [ "665", "(610, 650, 660) + (485, 488)", "VALUE:T4", "VALUE:T4", "VALUE:RE", "VALUE:RE" ], [ "670", "OBSOLETE DATA RETAINED V0200\n\nFor all small intestine sites:\n Abdominal wall\n Mesentery invaded greater than 2 cm in depth\n Non-peritonealized perimuscular tissue invaded \n greater than 2 cm in depth\n Retroperitoneum invaded greater than 2 cm in depth", "VALUE:T4", "VALUE:T4", "VALUE:RE", "VALUE:RE" ], [ "675", "For all small intestine sites:\n Abdominal wall", "VALUE:T4", "VALUE:T4", "VALUE:RE", "VALUE:RE" ], [ "678", "For jejunum or ileum primary only:\n Retroperitoneum invaded greater than 2cm in depth", "VALUE:T4", "VALUE:T4", "VALUE:RE", "VALUE:RE" ], [ "680", "For all small intestine sites:\n Other segments of the small intestine via serosa", "VALUE:T4", "VALUE:T4", "VALUE:RE", "VALUE:RE" ], [ "690", "OBSOLETE DATA CONVERTED V0203\nSee code 810\n\nStated as T4[NOS] with no other information on extension", "ERROR:", "ERROR:", "ERROR:", "ERROR:" ], [ "700", "For jejunum or ileum primary only:\n Bladder\n Fallopian tube\n Ovary\n Uterus", "VALUE:T4", "VALUE:T4", "VALUE:D", "VALUE:D" ], [ "800", "Further contiguous extension", "VALUE:T4", "VALUE:T4", "VALUE:D", "VALUE:D" ], [ "810", "Stated as T4 with no other information on extension", "VALUE:T4", "VALUE:T4", "VALUE:RE", "VALUE:RE" ], [ "950", "No evidence of primary tumor", "VALUE:T0", "VALUE:T0", "VALUE:U", "VALUE:U" ], [ "999", "Unknown; extension not stated\nPrimary tumor cannot be assessed\nNot documented in patient record", "VALUE:TX", "VALUE:TX", "VALUE:U", "VALUE:U" ] ]
}
