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{
"id" : "extension_bcq",
"algorithm" : "cs",
"version" : "02.05.50",
"name" : "Extension",
"title" : "CS Extension",
"notes" : "**Note 1**: The bones of the lateral wall of the nasal cavity include the maxilla, the perpendicular plate of the palatine bone, the medial pterygoid plate, the labyrinth and inferior concha of the ethmoid. The roof of the nasal cavity is formed by the nasal bone. The floor of the nasal cavity, which forms the roof of the mouth, is composed of the bones of the hard palate: the horizontal plate of the palatine bone posteriorly and the palatine process of the maxilla anteriorly.\n\n**Note 2**: \"Bony invasion\" does not include extension to palate, cribriform plate, or pterygoid plates. Extension to these structures is coded separately.\n\n**Note 3**: Code Base of skull NOS only if no information is available to code to more specific bony structures in the skull.\n\n**Note 4**: In code 700, \"minimal extension to anterior cranial fossa\" implies tumor pushing through the cribriform plate, but without invasion of the dura or brain.\n\n**Note 5**: Use code 300 for localized tumor only if no information Is available to assign code 100, 110, 200, or 410.\n\n**Note 6**: Use code 110, 410, 680, 725, 810, or 815 if the physician's assignment of T category is the only information available about the extent of the tumor.",
"last_modified" : "2015-05-27T16:19:09.535Z",
"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", "Invasive tumor confined to one of the following subsites:\n Septum\n Floor\n Lateral wall, including: \n Meatus (superior, middle, inferior) \n Nasal conchae (superior, middle, inferior)\n Vestibule (edge of naris to mucocutaneous junction)\nWITHOUT bony invasion", "VALUE:T1", "VALUE:T1", "VALUE:L", "VALUE:L" ], [ "105", "Invasive tumor confined to one subsite listed in code 100\nWITH bony invasion", "VALUE:T1", "VALUE:T1", "VALUE:RE", "VALUE:RE" ], [ "110", "Confined to nasal cavity, NOS\n \nStated as T1 with no other information on extension", "VALUE:T1", "VALUE:T1", "VALUE:L", "VALUE:L" ], [ "200", "Invasive tumor confined to two or more subsites listed in code 100\nWITHOUT bony invasion", "VALUE:T2", "VALUE:T2", "VALUE:L", "VALUE:L" ], [ "205", "Invasive tumor confined to two or more subsites listed in code 100\nWITH bony invasion", "VALUE:T2", "VALUE:T2", "VALUE:RE", "VALUE:RE" ], [ "300", "Localized, NOS", "VALUE:T1", "VALUE:T1", "VALUE:L", "VALUE:L" ], [ "400", "Extending to adjacent region within the nasoethmoidal complex:\n Nasolacrimal duct\n Ethmoid sinus\n Choana\nWITH or WITHOUT bony invasion", "VALUE:T2", "VALUE:T2", "VALUE:RE", "VALUE:RE" ], [ "410", "Stated as T2 with no further information on extension", "VALUE:T2", "VALUE:T2", "VALUE:RE", "VALUE:RE" ], [ "600", "OBSOLETE DATA REVIEWED AND CHANGED V0203\nCode 600 defined as \"Adjacent organs/structures including: Bone of skull, Choana, Frontal sinus, Hard palate, Nasopharynx\" in CSv1. Code 600 defined as \"Adjacent organs/structures including: Base of skull NOS, Palate\" in CSV2: V0201, V0202. Extension to frontal sinus and extension to nasopharynx were each included in two codes in CSv1. Review and recode all cases to code 400, 610, 690, 695, 730, 740, or 780 as appropriate.\n\nAdjacent organs/structures including:\n Base of skull, NOS \n Palate", "ERROR:", "ERROR:", "ERROR:", "ERROR:" ], [ "610", "Adjacent organs/structures including:\n Base of skull, NOS\n Hard palate", "VALUE:T3", "VALUE:T3", "VALUE:RE", "VALUE:RE" ], [ "650", "Cribiform plate", "VALUE:T3", "VALUE:T3", "VALUE:RE", "VALUE:RE" ], [ "660", "Maxillary sinus", "VALUE:T3", "VALUE:T3", "VALUE:D", "VALUE:D" ], [ "670", "Medial wall or floor of the orbit", "VALUE:T3", "VALUE:T3", "VALUE:D", "VALUE:D" ], [ "680", "Stated as T3 with no other information on extension", "VALUE:T3", "VALUE:T3", "VALUE:RE", "VALUE:RE" ], [ "690", "Frontal sinus\nPterygoid plates", "VALUE:T4a", "VALUE:T4a", "VALUE:RE", "VALUE:RE" ], [ "695", "690 + (660 or 670)\n\nAny structure in code 690 plus any structure in code 660 or 670", "VALUE:T4a", "VALUE:T4a", "VALUE:D", "VALUE:D" ], [ "700", "OBSOLETE DATA REVIEWED AND CHANGED V0203\nCode 700 defined as \"Tumor invades: Anterior orbital contents, Skin of nose, Skin of Cheek, Minimal extension to: Anterior cranial fossa, Sphenoid or frontal sinuses\" in CSv1. Code 700 defined as \"Tumor invades: Anterior orbital contents, skin of nose, Skin of cheek, Anterior cranial fossa (minimal extension), Sphenoid sinus\" in CSv2:V0201, V0202. Frontal sinus included in two codes, 600 and 700, in CSv1. Review and recode all cases to codes 690, 695, 705, 740, or 780 as appropriate.\n\nTumor invades:\n Anterior orbital contents\n Skin of nose\n Skin of cheek \n Anterior cranial fossa\n Sphenoid sinus", "ERROR:", "ERROR:", "ERROR:", "ERROR:" ], [ "705", "Anterior orbital contents\nSkin of nose\nSkin of cheek\nAnterior cranial fossa (minimal extension)\nSphenoid sinus", "VALUE:T4a", "VALUE:T4a", "VALUE:D", "VALUE:D" ], [ "710", "OBSOLETE DATA CONVERTED V0200\nSee code 760\n\nTumor invades:\nOrbital apex\nDura\nBrain\nMiddle cranial fossa\nCranial nerves other than (V2), nasopharynx, or clivus", "ERROR:", "ERROR:", "ERROR:", "ERROR:" ], [ "725", "Stated as T4a with no other information on extension", "VALUE:T4a", "VALUE:T4a", "VALUE:RE", "VALUE:RE" ], [ "730", "Nasopharynx", "VALUE:T4b", "VALUE:T4b", "VALUE:RE", "VALUE:RE" ], [ "740", "730 + (660, 670, 695, 705)", "VALUE:T4b", "VALUE:T4b", "VALUE:D", "VALUE:D" ], [ "760", "OBSOLETE DATA REVIEWED AND CHANGED V0203\nNasopharynx included in codes 600 and 710 in CSv1; code 710 converted to 760 in CSv2:0200. Review and recode nasopharynx and other structures to codes 730, 740, 770, or 780\n\nFurther contiguous extension including:\n Brain\n Clivus\n Cranial nerves (other than V2, maxillary division of trigeminal nerve)\n Dura\n Middle cranial fossa\n Nasopharynx\n Orbital apex ", "ERROR:", "ERROR:", "ERROR:", "ERROR:" ], [ "770", "Further contiguous extension including:\n Brain\n Clivus\n Cranial nerves (other than V2, maxillary division of trigeminal nerve)\n Dura\n Middle cranial fossa\n Orbital apex ", "VALUE:T4b", "VALUE:T4b", "VALUE:D", "VALUE:D" ], [ "780", "770 + (730, 740)", "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" ] ]
}