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{
"id" : "net_colon_t_5107",
"algorithm" : "tnm",
"version" : "1.7",
"name" : "Clin T NET Colon",
"title" : "Clinical T",
"notes" : "**Note 1:** Assign 88 for in situ cases (behavior code /2). TNM does not include an in situ category for NET colon tumors.\n\n**Note 2:** Ignore intraluminal extension to adjacent segment(s) of colon/rectum or to the ileum from the cecum; code depth of invasion or extracolonic spread as indicated.\n\n**Note 3:** Tumor size must be known to assign a value of T1 or T2. You may use a physician’s statement of the T (sub)category if this is the only information in the medical record.\n* If the tumor appears to be in the T1 or T2 (sub)categories, but no size or category is specified, assign TX\n\n**Note 4:** Assign the appropriate T (sub)category (T1, T2) based on the tumor size for the following descriptions\n\n Invasive tumor confined to mucosa, NOS including intramucosal, NOS\n Invades lamina propria, including lamina propria in the stalk of a polyp\n Invades submucosa (superficial invasion), including submucosa in the stalk of a polyp\n Confined to and not through the muscularis mucosae, including muscularis mucosae in the stalk of a polyp\n\n Confined to colon, NOS\n Localized, NOS \n\n**Note 5:** Assign T4 for tumor with macroscopic adhesions to other organs or structures and for pathologically confirmed tumor in adhesions. \n* If no tumor is present in adhesions upon microscopic examination, assign the appropriate T category to describe the microscopically confirmed depth of tumor invasion for these cases",
"last_modified" : "2018-04-11T19:53:06.062Z",
"definition" : [ {
"key" : "clin_t",
"name" : "Clinical T",
"type" : "INPUT"
}, {
"key" : "clin_t_display",
"name" : "Clinical T Display",
"type" : "DESCRIPTION"
}, {
"key" : "description",
"name" : "Description",
"type" : "DESCRIPTION"
}, {
"key" : "notes",
"name" : "Registrar Notes",
"type" : "DESCRIPTION"
} ],
"rows" : [ [ "cX", "cTX", "Primary tumor cannot be assessed", "Clinical classification criteria met, evaluation done: \n Physician unable to assess T\n Extension cannot be determined \n Tumor size (TS) unknown for T categories where TS needed to determine T\nPhysician assigns cTX, no other information available to determine T" ], [ "c0", "cT0", "No evidence of primary tumor", "" ], [ "c1", "cT1", "Tumor invades lamina propria or submucosa and is no greater than 2 cm in size", "Note: T1 has subcategories of T1a and T1b. Assign T1 only when there is no information available to assign one of the subcategories\n\nStated as T1 [NOS]" ], [ "c1A", "cT1a", "Tumor less than 1 cm in size", "Stated as T1a" ], [ "c1B", "cT1b", "Tumor 1-2 cm in size", "Stated as T1b" ], [ "c2", "cT2", "Tumor invades muscularis propria or is greater than 2 cm in size", "Stated as T2" ], [ "c3", "cT3", "Tumor invades subserosa, or non-peritonealized pericolic or perirectal tissues", "Extension through wall, NOS\nThrough muscularis propria or muscularis, NOS\nPerimuscular tissue invaded\nSubserosal tissue/(sub)serosal fat invaded\nTransmural, NOS\n\nExtension to:\n All colon sites:\n Adjacent tissue(s), NOS\n Connective tissue\n Mesenteric fat\n Mesentery \n Mesocolon\n Pericolic fat\n\n Ascending and descending colon:\n Retroperitoneal fat \n\n Transverse colon/flexures:\n Gastrocolic ligament\n Greater omentum\n\nFat, NOS\n\nStated as T3" ], [ "c4", "cT4", "Tumor perforates peritoneum or invades other organs", "Invasion of/through serosa (mesothelium) (visceral peritoneum)\n\nAdherent to other organs or structures, NOS\nAll colon sites:\n Abdominal wall \n Adrenal (suprarenal) gland\n Bladder\n Diaphragm\n Fistula to skin\n Gallbladder\n Other segment(s) of colon via serosa\n Small intestine\n Retroperitoneum (excluding fat)\n\nCecum (C180):\n Fallopian tube\n Greater omentum\n Kidney\n Liver\n Ovary\n Ureter\n Uterus\n\nAscending colon (C182):\n Greater omentum\n Liver, right lobe\n Right kidney\n Right ureter\n\nTransverse colon and flexures (C183, C184, C185):\n Gallbladder/bile ducts\n Kidney\n Liver\n Pancreas\n Spleen\n Stomach\n Ureter\n\nDescending colon (C186):\n Fallopian tube\n Greater omentum\n Left kidney\n Left ureter\n Ovary\n Pelvic wall\n Spleen\n Uterus\n\nSigmoid colon (C187):\n Cul de sac (rectouterine pouch)\n Fallopian tube \n Greater omentum\n Ovary\n Pelvic wall\n Uterus\n\nStated as T4" ], [ "88", "88", "Not applicable", "In situ case but no pTis is defined by TNM\nDeath certificate only (DCO) case" ], [ "", "BLANK", "See Registrar Notes", "Clinical classification criteria not met \nClinical classification criteria met, evaluation done:\n No information about diagnostic workup\n Results not documented in record\nClinical evaluation of primary tumor not done or unknown if done\nTumor first detected on surgical resection (no clinical workup)\nEvidence of metastatic disease [(cM1) or (pM1)], no other workup\nOnly Clinical Stage Group documented (no T, N, or M information available)" ] ]
}
