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{
"id" : "nodes_dcy",
"algorithm" : "cs",
"version" : "02.05.50",
"name" : "Nodes",
"title" : "CS Lymph Nodes",
"notes" : "**Note 1**: For head and neck schemas, this field includes all lymph nodes defined as Levels I-VII and Other by AJCC. The complete definitions are provided in the General Instructions, Section 2.\n\n**Note 2**: For head and neck schemas, additional information about lymph nodes (size of involved nodes, extracapsular extension, and levels involved) is coded in CS Site-Specific Factors 1, 3-9.\n\n**Note 3**: For head and neck cancers, if lymph nodes are described only as \"supraclavicular\", try to determine if they are in Level IV (deep to the sternocleidomastoid muscle, in the lower jugular chain) or Level V (in the posterior triangle, inferior to the transverse cervical artery) and code appropriately. If the specific level cannot be determined, consider them as Level V nodes.\n\n**Note 4**: The description of lymph nodes has been standardized across the head and neck schemas. All lymph node levels and groups listed here are considered regional nodes for AJCC staging. Summary Stage 1977 and Summary Stage 2000 divide these nodes into regional and distant groups.\n\n**Note 5**: All regional nodes except Supraclavicular nodes were coded 100 in CS Version 1; Supraclavicular nodes were coded 120. Mandibular nodes are included with Facial nodes.",
"last_modified" : "2015-05-27T16:19:35.272Z",
"definition" : [ {
"key" : "nodes",
"name" : "Code",
"type" : "INPUT"
}, {
"key" : "description",
"name" : "Description",
"type" : "DESCRIPTION"
}, {
"key" : "ajcc7_n",
"name" : "AJCC 7 N",
"type" : "ENDPOINT"
}, {
"key" : "ajcc6_n",
"name" : "TNM 6 N",
"type" : "ENDPOINT"
}, {
"key" : "n77",
"name" : "Summary Stage 1977 N",
"type" : "ENDPOINT"
}, {
"key" : "n2000",
"name" : "Summary Stage 2000 N",
"type" : "ENDPOINT"
} ],
"rows" : [ [ "000", "No regional lymph node involvement", "VALUE:NA", "VALUE:NA", "VALUE:NONE", "VALUE:NONE" ], [ "100", "Regional lymph node(s), unilateral, bilateral, or contralateral: \n Level II - Upper jugular:\n Jugulodigastric (subdigastric)\n Upper deep cervical\n Level IIA - Anterior\n Level IIB - Posterior\n Level III - Middle jugular:\n Middle deep cervical \n Level IV - Lower jugular:\n Jugulo-omohyoid (supraomohyoid)\n Lower deep cervical\n Virchow node \n Parapharyngeal\n Retropharyngeal\n Cervical, NOS\n Deep cervical, NOS\n Internal jugular, NOS \n Regional lymph node(s), NOS", "VALUE:NA", "VALUE:NA", "VALUE:RN", "VALUE:RN" ], [ "110", "Regional lymph node(s), unilateral, bilateral, or contralateral:\n Level I: \n Level IA - Submental\n Level IB - Submandibular (submaxillary), sublingual\n Level V - Posterior triangle group:\n Posterior cervical\n Level VA - Spinal accessory \n Level VI - Anterior compartment group:\n Laterotracheal\n Paralaryngeal\n Paratracheal - above suprasternal notch \n Perithyroidal \n Precricoid (Delphian)\n Prelaryngeal \n Pretracheal - above suprasternal notch\n Recurrent laryngeal", "VALUE:NA", "VALUE:NA", "VALUE:D", "VALUE:RN" ], [ "120", "Regional lymph node(s), unilateral, bilateral, or contralateral:\n Level VB - Transverse cervical, supraclavicular (see Note 4)\n Level VII - Superior mediastinal group (for other mediastinal nodes see CS Mets at DX):\n Esophageal groove\n Paratracheal - below suprasternal notch\n Pretracheal - below suprasternal notch\n Other groups:\n Facial:\n Buccinator (buccal)\n Mandibular\n Nasolabial\n Parotid:\n Infraauricular\n Intraparotid\n Periparotid\n Preauricular\n Retroauricular (Mastoid)\n Suboccipital", "VALUE:NA", "VALUE:NA", "VALUE:D", "VALUE:D" ], [ "800", "Lymph nodes, NOS", "VALUE:NA", "VALUE:NA", "VALUE:RN", "VALUE:RN" ], [ "999", "Unknown; regional lymph nodes not stated\nRegional lymph node(s) cannot be assessed\nNot documented in patient record", "VALUE:NA", "VALUE:NA", "VALUE:U", "VALUE:U" ] ]
}
