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{
"id" : "extension_bap",
"algorithm" : "cs",
"version" : "02.05.50",
"name" : "Extension",
"title" : "CS Extension",
"notes" : "**Note 1**: The assignment of T1 and T2 categories for tumors of the oropharynx is based on tumor size. A physician's statement of the T category may be used to code 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, other than the physician's statement of the T category. Use codes 305, 310, 540, 705, 810, or 815 as appropriate to code CS Extension based on a statement of T when no other extension information is available.\n\n**Note 2**: Use code 300 for localized tumor only if no information is available to assign code 150, 200, 305, 310, or 530.",
"footnotes" : "- For CS Extension codes 150-520 ONLY, the T category for AJCC 7staging is assigned based on the value of CS Tumor Size as shown in the Extension Size AJCC 7 Table for this schema.\n- For CS Extension codes 100-550 ONLY, the T category for AJCC 6 staging is assigned based on the value of CS Tumor Size as shown in the Extension Size AJCC 6 Table for this schema.",
"last_modified" : "2015-05-27T16:19:06.311Z",
"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:Tis", "VALUE:Tis", "VALUE:IS", "VALUE:IS" ], [ "100", "OBSOLETE DATA RETAINED V0200\nEpiglottis mapped to T3 in CSv2, see code 530\n\nInvasive tumor confined to one of the following subsites:\n Anterior wall (including vallecula and lingual (anterior) surface of epiglottis)\n One lateral wall\n Posterior wall", "ERROR:", "JUMP:extension_size_ajcc6_xaz", "VALUE:L", "VALUE:L" ], [ "150", "Invasive tumor confined to one of the following subsites: \n Anterior wall including vallecula \n One lateral wall (including tonsillar pillar/fossa, palatine tonsil, tonsil, NOS)\n Posterior wall ", "JUMP:extension_size_ajcc7_xdw", "JUMP:extension_size_ajcc6_xaz", "VALUE:L", "VALUE:L" ], [ "200", "Involvement of two or more subsites listed in code 100:\n Posterior, anterior, lateral wall(s)", "JUMP:extension_size_ajcc7_xdw", "JUMP:extension_size_ajcc6_xaz", "VALUE:L", "VALUE:L" ], [ "300", "Localized, NOS", "JUMP:extension_size_ajcc7_xdw", "JUMP:extension_size_ajcc6_xaz", "VALUE:L", "VALUE:L" ], [ "305", "Stated as T1 with no other information on extension", "JUMP:extension_size_ajcc7_xdw", "JUMP:extension_size_ajcc6_xaz", "VALUE:L", "VALUE:L" ], [ "310", "Stated as T2 with no other information on extension", "JUMP:extension_size_ajcc7_xdw", "JUMP:extension_size_ajcc6_xaz", "VALUE:L", "VALUE:L" ], [ "400", "Soft palate, inferior surface including uvula \nSoft palate, NOS", "JUMP:extension_size_ajcc7_xdw", "JUMP:extension_size_ajcc6_xaz", "VALUE:RE", "VALUE:RE" ], [ "410", "OBSOLETE DATA CONVERTED V0200\nT4a involvement per curator, see code 630\n\nHypopharynx NOS\nPyriform sinus", "ERROR:", "ERROR:", "ERROR:", "ERROR:" ], [ "420", "Soft palate, superior (nasopharyngeal) surface", "JUMP:extension_size_ajcc7_xdw", "JUMP:extension_size_ajcc6_xaz", "VALUE:RE", "VALUE:RE" ], [ "500", "Base of tongue (including lingual tonsil)\nBuccal mucosa (inner cheek)\nFloor of mouth\nGum (gingiva)", "JUMP:extension_size_ajcc7_xdw", "JUMP:extension_size_ajcc6_xaz", "VALUE:RE", "VALUE:RE" ], [ "510", "Any site in codes 150-500 WITH fixation", "JUMP:extension_size_ajcc7_xdw", "JUMP:extension_size_ajcc6_xaz", "VALUE:RE", "VALUE:RE" ], [ "520", "Involvement of both lateral walls through soft palate or base of tongue", "JUMP:extension_size_ajcc7_xdw", "JUMP:extension_size_ajcc6_xaz", "VALUE:D", "VALUE:RE" ], [ "530", "Epiglottis, lingual surface", "VALUE:T3", "JUMP:extension_size_ajcc6_xaz", "VALUE:L", "VALUE:L" ], [ "531", "530 + 200", "VALUE:T3", "JUMP:extension_size_ajcc6_xaz", "VALUE:L", "VALUE:L" ], [ "533", "530 + (400, 420, 500, 510)\n\nEpiglottis, lingual surface plus any structure in codes 400, 420, 500, and 510 ", "VALUE:T3", "JUMP:extension_size_ajcc6_xaz", "VALUE:RE", "VALUE:RE" ], [ "535", "530 WITH fixation\nWITH or WITHOUT involvement of any site in codes 400, 420, 500, and 510", "VALUE:T3", "JUMP:extension_size_ajcc6_xaz", "VALUE:RE", "VALUE:RE" ], [ "538", "530 +520\n\nEpiglottis, lingual surface, plus both lateral walls through soft palate or base of tongue", "VALUE:T3", "JUMP:extension_size_ajcc6_xaz", "VALUE:D", "VALUE:RE" ], [ "540", "Stated as T3 with no other information on extension", "VALUE:T3", "JUMP:extension_size_ajcc6_xaz", "VALUE:RE", "VALUE:RE" ], [ "550", "OBSOLETE DATA RETAINED V0200 \nExtension to lingual surface of epiglottis assigned to T3 in AJCC 7\nSee codes 510, 535 \n\nAny extension coded in 100-500 WITH fixation ", "ERROR:", "JUMP:extension_size_ajcc6_xaz", "VALUE:RE", "VALUE:RE" ], [ "600", "OBSOLETE DATA REVIEWED AND CHANGED V0203\nT4 involvement per curator , see codes 610, 635, 675, 708, 715, 718\n\nPrevertebral fascia or muscle\nSoft tissue of neck", "ERROR:", "ERROR:", "ERROR:", "ERROR:" ], [ "610", "Soft tissue of neck", "VALUE:T4a", "VALUE:T4a", "VALUE:RE", "VALUE:RE" ], [ "620", "OBSOLETE DATA CONVERTED V0200\nSee code 710 \n\nNasopharynx, lateral, or NOS", "ERROR:", "ERROR:", "ERROR:", "ERROR:" ], [ "630", "Hypopharynx NOS\nPyriform sinus", "VALUE:T4a", "VALUE:T4a", "VALUE:RE", "VALUE:RE" ], [ "635", "630 + (420, 500, 510, 535, or 610)", "VALUE:T4a", "VALUE:T4a", "VALUE:RE", "VALUE:RE" ], [ "650", "Larynx, NOS\nMedial pterygoid muscle, or pterygoid muscle, NOS\nPosterior surface of epiglottis", "VALUE:T4a", "VALUE:T4a", "VALUE:RE", "VALUE:RE" ], [ "675", "(610, 630, 650) + 520 \n\nInvolvement of any structure in codes 610, 630, and 650 plus involvement of both lateral walls through soft palate or base of tongue ", "VALUE:T4a", "VALUE:T4a", "VALUE:D", "VALUE:RE" ], [ "700", "Deep extrinsic muscles of tongue: \n Genioglossus\n Geniohyoid\n Hyoglossus\n Mylohyoid\n Palatoglossus\n Styloglossus\nHard palate\nMandible", "VALUE:T4a", "VALUE:T4a", "VALUE:D", "VALUE:D" ], [ "705", "Stated as T4a with no other information on exension", "VALUE:T4a", "VALUE:T4a", "VALUE:RE", "VALUE:RE" ], [ "708", "Prevertebral fascia/muscle", "VALUE:T4b", "VALUE:T4b", "VALUE:RE", "VALUE:RE" ], [ "710", "Nasopharynx, lateral or NOS", "VALUE:T4b", "VALUE:T4b", "VALUE:RE", "VALUE:RE" ], [ "715", "(708 or 710) + 520 \n\nPrevertebral fascia/muscle or nasopharynx plus involvement of both lateral walls through soft palate or base of tongue", "VALUE:T4b", "VALUE:T4b", "VALUE:D", "VALUE:RE" ], [ "718", "(708 and/or 710) + 700 \n\nPrevertebral fascia/muscle or nasopharynx plus any structure in code 700", "VALUE:T4b", "VALUE:T4b", "VALUE:D", "VALUE:D" ], [ "720", "Lateral pterygoid muscle\nPterygoid plates", "VALUE:T4b", "VALUE:T4b", "VALUE:D", "VALUE:D" ], [ "750", "Base of skull\nBone of skull\nBone, NOS (excluding bones in codes 700, 720)", "VALUE:T4b", "VALUE:T4b", "VALUE:D", "VALUE:D" ], [ "760", "OBSOLETE DATA CONVERTED V0200 \nSee code 750 \n\nBone ", "ERROR:", "ERROR:", "ERROR:", "ERROR:" ], [ "770", "Carotid artery (encased)", "VALUE:T4b", "VALUE:T4b", "VALUE:D", "VALUE:D" ], [ "800", "Further contiguous extension:\n Anterior 2/3 of tongue\n Parotid gland", "VALUE:T4b", "VALUE:T4b", "VALUE:D", "VALUE:D" ], [ "810", "Stated as T4b with no other information on extension", "VALUE:T4b", "VALUE:T4b", "VALUE:D", "VALUE:D" ], [ "815", "Stated as T4 [NOS] with no other information on extension", "VALUE:T4NOS", "VALUE:T4NOS", "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" ] ]
}
