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{
"id" : "path_n_dfg",
"algorithm" : "tnm",
"version" : "1.6",
"name" : "Path N NET Stomach",
"title" : "Pathologic N",
"notes" : "**Note 1:** Histological examination of a regional lymphadenectomy specimen will ordinarily include 16 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**Note 3:** Hepatoduodenal nodes are regional for primaries of the lesser curvature of the stomach. They are coded in M (distant metastasis) for all other subsites in this schema.\n\n**Regional lymph nodes**\n\n Celiac\n Hepatic (excluding gastrohepatic) \n Hepatoduodenal \n Left gastric (superior gastric), NOS:\n Cardial\n Cardioesophageal\n Gastric, left\n Gastropancreatic, left\n Lesser curvature\n Lesser omental\n Paracardial\n Hepatoduodenal (for lesser curvature) \n Nodule(s) in perigastric fat \n Pancreaticosplenic (pancreaticolienal)\n Pancreaticoduodenal\n Perigastric, NOS\n Peripancreatic\n Right gastric (inferior gastric), NOS\n Gastrocolic\n Gastroduodenal\n Gastroepiploic (gastro-omental), right or NOS\n Gastrohepatic\n Greater curvature\n Greater omental\n Pyloric, NOS: infrapyloric, subpyloric, suprapyloric\n Splenic (lienal), NOS:\n Gastroepiploic (gastro-omental), left\n Splenic hilar",
"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., 76",
"last_modified" : "2018-02-02T14:54:22.848Z",
"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) in perigastric fat\n\nRegional lymph nodes, 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", "Death 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)" ] ]
}
