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{
"id" : "clin_t_melanoma_iris_54551",
"algorithm" : "tnm",
"version" : "1.7",
"name" : "Clin T Melanoma Iris",
"title" : "Clinical T",
"notes" : "**Note 1:** Assign 88 for in situ cases (behavior code /2). TNM does not include an in situ category for iris tumors.\n\n**Note 2:** Ciliary body and Iris are both included in the ICD-O-3 site code of C694, but they are staged with different criteria by TNM. \n* The Schema Discriminator is used to select the schema appropriate for coding extension for melanoma of the iris \n\n**Note 3:** Melanomas of the uvea arise most commonly in the choroid, less frequently in the ciliary body, and least often in the iris. Melanomas of the iris tend to be small, and those arising from or extending to the ciliary body typically are large.\n\n**Note 4:** Iris melanomas originate from, and are predominantly located in, this region of the uvea. If less than one-half of the tumor volume is located within the iris, the tumor may have originated in the ciliary body and evaluation should be given to classifying it accordingly. (1)",
"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., 285",
"last_modified" : "2018-04-11T19:53:04.320Z",
"definition" : [ {
"key" : "clin_t",
"name" : "Clinical T",
"type" : "INPUT"
}, {
"key" : "clin_t_display",
"name" : "Clinical T Display",
"type" : "DESCRIPTION"
}, {
"key" : "description",
"name" : "Description",
"type" : "DESCRIPTION"
}, {
"key" : "notes",
"name" : "Registrar Notes",
"type" : "DESCRIPTION"
} ],
"rows" : [ [ "cX", "cTX", "Primary tumor cannot be assessed", "Clinical classification criteria met, evaluation done: \n Physician unable to assess T \n Extension cannot be determined\nPhysician assigns cTX, no other information available to determine T" ], [ "c0", "cT0", "No evidence of primary tumor", "" ], [ "c1", "cT1", "Tumor limited to iris", "Note: T1 has subcategories of T1a, T1b and T1c. Assign T1only when there is no information available to assign one of the subcategories\n\nLocalized, NOS\n\nStated as T1 [NOS]" ], [ "c1A", "cT1a", "Not more than 3 clock hours in size", "Limited to iris not more than 3 clock hours in size\nWITHOUT melanomalytic (secondary) glaucoma, or not stated if melanomalytic (secondary) glaucoma\n\nStated as T1a" ], [ "c1B", "cT1b", "More than 3 clock hours in size", "Limited to iris more than 3 clock hours in size \nWITHOUT melanomalytic (secondary) glaucoma, or not stated if melanomalytic (secondary) glaucoma\n\nStated as T1b" ], [ "c1C", "cT1c", "WITH secondary glaucoma", "Limited to iris WITH melanomalytic (secondary) glaucoma\n\nStated as T1c" ], [ "c2", "cT2", "Tumor confluent WITH or extending into: \n Ciliary body, choroid or both", "Tumor confluent with or extending into the ciliary body and/or choroid \nWITHOUT melanomalytic (secondary) glaucoma, or not stated if melanomalytic (secondary) glaucoma\n\nStated as T2 [NOS]" ], [ "c2A", "cT2a", "WITH secondary glaucoma", "Tumor confluent with or extending into the ciliary body and/or choroid \nWITH melanomalytic (secondary) glaucoma\n\nStated as T2a" ], [ "c3", "cT3", "Tumor confluent WITH or extending into: \n Ciliary body, choroid or both, WITH scleral extension", "Tumor confluent with or extending into the ciliary body and/or choroid WITH scleral extension\nWITHOUT melanomalytic (secondary) glaucoma, or not stated if melanomalytic (secondary) glaucoma\n\nStated as T3 [NOS]" ], [ "c3A", "cT3a", "With secondary glaucoma", "Tumor confluent with or extending into the ciliarybody and/or choroid WITH scleral extension \nWITH melanomalytic (secondary) glaucoma\n\nStated as T3a" ], [ "c4", "cT4", "Tumor extrascleral extension", "Note: T4 has subcategories of T4a and T4b. Assign T4 only when there is no information available to assign one of the subcategories\n\nExtrascleral (extraocular) extension, measurement of diameter not specified\n\nStated as T4 [NOS]" ], [ "c4A", "cT4a", "Less than or equal to 5 mm in diameter", "Tumor with extrascleral (extraocular) extension less than or equal to 5 mm in diameter\n\nStated as T4a" ], [ "c4B", "cT4b", "More than 5 mm in diameter", "Tumor with extrascleral (extraocular) extension greater than 5 mm in diameter\n\nFurther contiguous extension\n\nStated as T4b" ], [ "88", "88", "Not applicable", "In situ case but no pTis is defined by TNM\nDeath certificate only (DCO) case" ], [ "", "BLANK", "See Registrar Notes", "Clinical classification criteria not met \nClinical classification criteria met, evaluation done:\n No information about diagnostic workup\n Results not documented in record\nClinical evaluation of primary tumor not done or unknown if done\nTumor first detected on surgical resection (no clinical workup)\nEvidence of metastatic disease [(cM1) or (pM1)], no other workup\nOnly Clinical Stage Group documented (no T, N, or M information available)" ] ]
}
