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{
"id" : "hypopharynx_t_21848",
"algorithm" : "tnm",
"version" : "2.0",
"name" : "Path T Hypopharynx T",
"title" : "Pathologic T",
"notes" : "**Note 1:** Assign T3 If there is fixation of hemilarynx or larynx.\n\n**Note 2:** For the following descriptions, assign the appropriate T category (T1, T2 or T3) based on the tumor size.\n\n Invasive tumor confined to one of the following subsites\n Laryngopharynx\n Postcricoid area\n Posterior pharyngeal wall\n Pyriform sinus\n\n Tumor invades more than one subsite of hypopharynx WITHOUT fixation of hemilarynx\n\n Oropharynx\n Larynx WITHOUT fixation\n\n Confined to hypopharynx\n Localized, NOS",
"footnotes" : "\\* T4 [NOS] is not defined by UICC in the 7th edition. Approval has been provided by UICC to use \"Tumor invades bone, nerve or extrinsic deep muscles\" as T4 [NOS].\n\\# T4 [NOS] is not defined in AJCC 7th edition.",
"last_modified" : "2018-05-14T21:29:01.470Z",
"definition" : [ {
"key" : "path_t",
"name" : "Pathologic T",
"type" : "INPUT"
}, {
"key" : "path_t_display",
"name" : "Pathologic T Display",
"type" : "DESCRIPTION"
}, {
"key" : "description",
"name" : "Description",
"type" : "DESCRIPTION"
}, {
"key" : "notes",
"name" : "Registrar Notes",
"type" : "DESCRIPTION"
} ],
"rows" : [ [ "pX", "pTX", "Primary tumor cannot be assessed", "Pathologic classification criteria met, evaluation done: \n Physician unable to assess T\n Surgical resection of primary tumor, extension not stated \n Tumor size (TS) unknown for T categories where TS needed to determine T\nPhysician assigns pTX, no other information available to determine T" ], [ "p0", "pT0", "No evidence of primary tumor", "" ], [ "pIS", "pTis", "Carcinoma in situ", "Intraepithelial, noninvasive\n\nStated as Tis" ], [ "p1", "pT1", "Tumor limited to one subsite of hypopharynx and/or 2 cm or less in greatest dimension", "Stated as T1" ], [ "p2", "pT2", "Tumor invades more than one subsite of hypopharynx or an adjacent site, OR\nMeasures more than 2 cm but not more than 4 cm in greatest dimension, WITHOUT fixation of hemilarynx", "Stated as T2" ], [ "p3", "pT3", "Tumor more than 4 cm in greatest dimension, OR \nWITH fixation of hemilarynx or extension to esophagus", "Fixation of hemilarynx or larynx\n\nStated as T3" ], [ "p4", "pT4", "Not defined by UICC*#", "Note: T4 has subcategories of T4a and T4b. Assign T4 only when there is no information available to assign one of the subcategories\n\nTumor invades bone, nerve or extrinsic deep muscles\n\nStated as T4[NOS]" ], [ "p4A", "pT4a", "Tumor invades any of the following:\n Thyroid/cricoid cartilage\n Hyoid bone\n Thyroid gland\n Esophagus\n Central compartment soft tissue", "Central compartment soft tissues of neck including:\n Prelaryngeal strap muscles\n\nStated as T4a" ], [ "p4B", "pT4b", "Tumor invades: \n Prevertebral fascia\n Encases carotid artery\n Mediastinal structures", "Carotid artery (encased)\n\nBase of tongue\nFloor of mouth\nNasopharynx\n\nFurther contiguous extension\n\nStated as T4b" ], [ "88", "88", "Not applicable", "Primary site/histology not TNM defined\nDeath certificate only (DCO) case" ], [ "", "BLANK", "See Registrar Notes", "Pathologic classification criteria not met \nPathologic classification criteria met, evaluation done: \n Results not documented in patient record \n No surgical resection of known primary tumor (not T0) \n Resection insufficient for site-specific pathologic assessment\nNo surgical resection of primary tumor and there isn’t a positive biopsy of a structure in the highest T category and highest N category\nEvidence of metastatic disease (pM1), no other workup\nOnly Pathologic Stage Group documented (no T, N, or M information available)" ] ]
}
