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{
"id" : "path_n_dff",
"algorithm" : "tnm",
"version" : "1.6",
"name" : "Path N NET Rectum",
"title" : "Pathologic N",
"notes" : "**Note 1:** Histological examination of a regional lymphadenectomy specimen will ordinarily include 12 or more lymph nodes. If the lymph nodes are negative, but the number ordinarily examined is not met, classify as pN0. (1)\n\n**Note 2:** Code only regional nodes and nodes, NOS, in this field. Distant nodes are coded in M (distant metastasis).\n\n**Regional lymph nodes**\n \n**All sites** \n\n Hemorrhoidal (middle, superior) \n Inferior mesenteric \n Mesenteric [NOS] \n Perirectal \n Rectal (middle) \n Rectal [NOS] \n Rectal (superior) \n Rectosigmoid (paracolic/pericolic)\n Sigmoidal (sigmoid mesenteric)\n\n Regional lymph nodes, NOS\n Lymph nodes, NOS\n\n**Rectosigmoid (C199)** \n\n Colic, (NOS) \n Left colic\n \n**Rectum (C209)** \n\n Hemorrhoidal (inferior) \n Internal iliac (hypogastric) \n Lateral (laterosacral) \n Middle (promontorial) (Gerota's node) \n Obturator\n Presacral\n Rectal (inferior) \n Sacral (NOS)\n Sacral promontory",
"footnotes" : "(1) International Union Against Cancer (UICC) *TNM Classification of Malignant Tumors,* 7th ed., Sobin, LH, Gospodarowicz, M, Wittekind, CH, eds. New York: Wiley, 2009, pg., 104",
"last_modified" : "2018-02-02T14:54:22.514Z",
"definition" : [ {
"key" : "path_n",
"name" : "Pathologic N",
"type" : "INPUT"
}, {
"key" : "path_n_display",
"name" : "Pathologic N Display",
"type" : "DESCRIPTION"
}, {
"key" : "description",
"name" : "Description",
"type" : "DESCRIPTION"
}, {
"key" : "notes",
"name" : "Registrar Notes",
"type" : "DESCRIPTION"
} ],
"rows" : [ [ "pX", "pNX", "Regional lymph node(s) cannot be assessed", "Pathologic classification criteria met, evaluation done:\n Physician unable to assess N\n Surgical resection primary tumor, no regional lymph nodes removed\n Involvement of regional lymph nodes not documented\nPhysician assigns pNX, no other information available to determine N" ], [ "p0", "pN0", "No regional lymph node metastasis", "" ], [ "p1", "pN1", "Regional lymph node metastasis", "Nodule(s) or foci in perirectal fat\n\nRegional lymph node(s), NOS\nLymph nodes, NOS\n\nStated as N1" ], [ "c0", "cN0", "Clinically: No regional lymph node metastasis", "Use only for TNM defined pTis cases where there is a resection of the primary and the nodes are not evaluated pathologically" ], [ "88", "88", "Not applicable", "In situ case but no pTis is defined by TNM\nDeath certificate only (DCO) case" ], [ "", "BLANK", "See Registrar Notes", "Pathologic classification criteria not met \nNo surgical resection of primary tumor and there isn’t a positive biopsy of a structure in the highest T category and highest N category\nEvidence of metastatic disease (pM1), no other workup\nOnly Pathologic Stage Group documented (no T, N, or M information available)" ] ]
}
