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A cancer staging client library
{
"id" : "extension_bcu",
"algorithm" : "cs",
"version" : "02.05.50",
"name" : "Extension",
"title" : "CS Extension",
"notes" : "**Note 1**: For correct calculation of derived staging fields for this schema, CS Extension and CS Site-Specific Factor 1, Extension Evaluated at Enucleation, must both be coded, whether or not an enucleation was performed. Information from enucleation is excluded from CS Extension and coded only in CS Site-Specific Factor 1.\n\n**Note 2**: If both eyes are involved, code the information for the most extensively involved eye in this field, and code the information for the second eye in CS Site-Specific Factor 6.\n\n**Note 3**: The mapping values for AJCC T, SS77, and SS2000 and the associated c, p, y, or a indicator (staging basis) are assigned based on the values in CS Extension (clinical extension), CS Tumor Size/Ext Eval, and CS Site-Specific Factor 1 - Extension Evaluated at Enucleation. Pathologic staging information from an enucleation always takes precedence over clinical staging, except in cases with neoadjuvant treatment where clinical disease is as extensive as or more extensive than disease at surgery.",
"footnotes" : "For this site, extension is coded in two CS Fields: CS Extension (clinical extension) and CS Site-Specific Factor 1 - Extension Evaluated at Enucleation. The mapping values for the T category for AJCC stage, SS77, and SS2000 and the associated c, p, y, or a indicator are assigned based on the values in CS Extension, CS Tumor Size/Ext Eval, and CS Site-Specific Factor 1 as shown in the Special Calculation Table for AJCC T and Special Calculation Table for SEER Summary Stage.",
"last_modified" : "2015-05-27T16:19:09.760Z",
"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_d",
"name" : "Summary Stage 1977 T",
"type" : "DESCRIPTION"
}, {
"key" : "t2000_d",
"name" : "Summary Stage 2000 T",
"type" : "DESCRIPTION"
} ],
"rows" : [ [ "110", "OBSOLETE DATA RETAINED V0200\n\nAny eye in which the largest tumor is less than or\nequal to 3 mm in height\nAND\nno tumor is located closer than 1 DD (1.5mm) to the optic nerve or fovea", "ERROR:", "VALUE:T1a", "L", "L" ], [ "120", "Volume no more than two-thirds of eye\nAND\nLargest dimension not greater than 3 millimeter (mm)\nAND\nLocation not closer than 1.5 mm to optic nerve or fovea\nAND\nTumor formation: No vitreous or subretinal seeding and no subretinal fluid beyond 5 mm from base of tumor\nAND\nRetinal detachment not present\n\nStated as T1a with no other information on extension", "VALUE:T1a", "VALUE:T1a", "L", "L" ], [ "130", "OBSOLETE DATA RETAINED V0200\n\nAll other eyes in which the tumor(s) are confined to retina\nregardless of location or size (up to half the volume of the eye)\nAND No vitreous seeding\nAND No retinal detachment or subretinal fluid greater than 5 mm from\nthe base of the tumor", "ERROR:", "VALUE:T1b", "L", "L" ], [ "140", "Volume no more than two-thirds of eye\nAND\n(Largest dimension greater than 3 mm \nOR location closer than 1.5 mm to optic nerve or fovea)\nAND\nTumor formation: No vitreous or subretinal seeding and no subretinal fluid beyond 5mm from base of tumor\nAND\nRetinal detachment not present\n\nStated as T1b with no other information on extension", "VALUE:T1b", "VALUE:T1b", "L", "L" ], [ "160", "Volume no more than two-thirds of eye\nAND\n(Largest dimension greater than 3 mm \nOR location closer than 1.5 mm to optic nerve or fovea)\nAND\n(Tumor formation: Subretinal fluid beyond 5 mm from base of tumor \nOR retinal detachment present)\n\nStated as T1c with no other information on extension", "VALUE:T1c", "VALUE:T2a", "L", "L" ], [ "180", "Volume no more than two-thirds of eye\nAND\nTumor formation: No vitreous or subretinal seeding\n\nStated as T1 [NOS] with no other information on extension", "VALUE:T1NOS", "VALUE:T1NOS", "L", "L" ], [ "310", "OBSOLETE DATA RETAINED V0200\n\nTumor confined to retina (no vitreous seeding or significant retinal detachment), NOS", "ERROR:", "VALUE:T1NOS", "L", "L" ], [ "410", "OBSOLETE DATA RETAINED V0200\n\nMinimal tumor spread to vitreous and/or subretinal space.\nFine local or diffuse vitreous seeding and/or serous retinal\ndetachment up to total detachment may be present but no clumps,\nlumps, snowballs, or avascular masses are allowed\nin the vitreous or subretinal space. \nCalcium flecks in the vitreous or subretinal space are allowed.\nTumor may fill up to 2/3 the volume of the eye.", "ERROR:", "VALUE:T2a", "L", "L" ], [ "420", "Volume no more than two-thirds of eye\nAND\nTumor formation : Focal vitreous and/or subretinal seeding of fine aggregates of tumor cells but no large clumps or \"snowballs\" of tumor cells\nAND\nRetinal detachment may be present \n\nStated as T2a with no other information on extension", "VALUE:T2a", "VALUE:T2a", "L", "L" ], [ "430", "OBSOLETE DATA RETAINED V0200\n\nMassive tumor spread to vitreous and/or subretinal space.\nVitreous seeding and/or subretinal implantation may consist of\nlumps, clumps, snowballs, or avascular tumor masses.\nRetinal detachment may be total.\nTumor may fill up to 2/3 the volume of the eye.", "ERROR:", "VALUE:T2b", "L", "L" ], [ "440", "Volume no more than two-thirds of eye\nAND\nTumor formation: Massive vitreous and/or subretinal seeding defined as diffuse clumps or \"snowballs\" of tumor cells\nAND\nRetinal detachment may be present \n\nStated as T2b with no other information on extension", "VALUE:T2b", "VALUE:T2b", "L", "L" ], [ "450", "OBSOLETE DATA RETAINED V0200\nExtension reassigned to codes 500, 520\n\nUnsalvageable intraocular disease.\n Tumor fills more than 2/3 the eye\n No possibility of visual rehabilitation.\n\nOne or more of the following are present:\nTumor-associated glaucoma, either neovascular or angle closure\nAnterior segment extension of tumor\nCiliary body extension of tumor\nHyphema (significant)\nMassive vitreous hemorrhage\nTumor in contact with lens\nOrbital cellulitis-like clinical presentation", "ERROR:", "VALUE:T2c", "VALUE:L", "VALUE:L" ], [ "460", "Volume no more than two-thirds of eye\nAND\nTumor formation: Vitreous and/or subretinal seeding\nAND\nRetinal detachment may be present \n\nStated as T2 [NOS] with no other information on extension", "VALUE:T2NOS", "VALUE:T2NOS", "L", "L" ], [ "470", "OBSOLETE DATA RETAINED V0200\n\nTumor with contiguous spread to adjacent tissues\nor spaces (vitreous or subretinal space), NOS", "ERROR:", "VALUE:T2NOS", "VALUE:L", "VALUE:L" ], [ "500", "Severe intraocular disease: \n Tumor occupies more than two-thirds volume of eye\n\nStated as T3a with no other information on extension", "VALUE:T3a", "VALUE:T2c", "L", "L" ], [ "520", "Severe intraocular disease:\n One or more complications present including:\n Tumor-associated neovascular or angle closure glaucoma \n Tumor extension into anterior segment\n Hyphema (blood in anterior chamber)\n Vitreous hemorrhage\n Orbital cellulitis\n\nStated as T3b with no other information on extension", "VALUE:T3b", "VALUE:T2c", "L", "L" ], [ "540", "Severe intraocular disease NOS\n\nStated as T3 [NOS] with no other information on extension", "VALUE:T3NOS", "VALUE:T2c", "L", "L" ], [ "590", "OBSOLETE DATA RETAINED V0200\n\nInvasion of optic nerve and/or optic coats, NOS", "ERROR:", "VALUE:T3", "RE", "RE" ], [ "680", "Extraocular disease detected by imaging studies:\n Invasion of optic nerve\n\nStated as T4a with no other information on extension", "VALUE:T4a", "VALUE:T3", "RE", "RE" ], [ "700", "Extraocular disease detected by imaging studies:\n Invasion into orbit\n\nStated as T4b with no other information on extension", "VALUE:T4b", "VALUE:T4", "RE", "RE" ], [ "720", "Extraocular disease detected by imaging studies:\n Intracranial extension not past optic chiasm\n\nStated as T4c with on other information on extension", "VALUE:T4c", "VALUE:T4", "D", "D" ], [ "740", "Extraocular disease detected by imaging studies:\n Intracranial extension past optic chiasm\n\nStated as T4d with no other information on extension", "VALUE:T4d", "VALUE:T4", "D", "D" ], [ "750", "OBSOLETE DATA RETAINED V0200\n\nExtraocular tumor", "ERROR:", "VALUE:T4", "RE", "RE" ], [ "760", "Extraocular disease detected by imaging studies NOS\n\nStated as T4 [NOS]", "VALUE:T4NOS", "VALUE:T4", "RE", "RE" ], [ "800", "OBSOLETE DATA RETAINED V0200\n\nFurther contiguous extension", "ERROR:", "VALUE:T4", "D", "D" ], [ "950", "No evidence of primary tumor", "VALUE:T0", "VALUE:T0", "U", "U" ], [ "999", "Unknown; extension not stated\nPrimary tumor cannot be assessed\nNot documented in patient record", "VALUE:TX", "VALUE:TX", "U", "U" ] ]
}