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A cancer staging client library
{
"id" : "oropharynx_t_62492",
"algorithm" : "tnm",
"version" : "1.7",
"name" : "Path T Oropharynx",
"title" : "Pathologic T",
"notes" : "**Note 1:** Tumor size must be known to assign a value of T1, T2 or T3. You may use a physician’s statement of the T category if this is the only information in the medical record.\n* If the tumor appears to be in the T1, T2 or T3 categories, but no size or category is specified, assign TX\n\n**Note 2:** Assign the appropriate T category (T1, T2, T3) based on the tumor size for the following descriptions\n\n Invasive tumor confined to one of the following subsites\n Anterior wall including vallecula \n One lateral wall (including tonsillar pillar/fossa, palatine tonsil and tonsil, NOS)\n Posterior wall \n Base of tongue (including lingual tonsil)\n Buccal mucosa\n Floor of mouth\n Gum (gingiva)\n Involvement of both lateral walls through soft palate or base of tongue\n Soft palate \n Inferior surface including uvula \n Soft palate, NOS\n Superior (nasopharyngeal) surface\n\n Confined to oropharynx, NOS \n Localized, NOS\n\n**Note 3:** Mucosal extension to lingual surface of epiglottis from primary tumors of the base of the tongue and vallecular does not constitute invasion of the larynx.",
"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" : "2018-04-11T19:53:06.026Z",
"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 2 cm or less in greatest dimension", "Stated as T1" ], [ "p2", "pT2", "Tumor more than 2 cm but not more than 4 cm in greatest dimension", "Stated as T2" ], [ "p3", "pT3", "Tumor more than 4 cm in greatest dimension OR \nextension to lingual surface of epiglottis", "Epiglottis, lingual surface, plus both lateral walls through soft palate or base of tongue\n\nEpiglottis WITH fixation\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 Larynx\n Deep/extrinsic muscle of tongue, which are: \n Genioglossus\n Hyoglossus\n Palatoglossus\n Styloglossus\n Medial pterygoid\n Hard palate\n Mandible", "Hypopharynx NOS\nPosterior surface of epiglottis\nPterygoid muscle, NOS\nPyriform sinus\nSoft tissue of neck\n\nStated as T4a" ], [ "p4B", "pT4b", "Tumor invades any of the following:\n Lateral pterygoid muscle\n Pterygoid plates\n Lateral nasopharynx\n Skull base\n Encases carotid artery", "Prevertebral fascia/muscle\n\nBase of skull\nBone of skull\nBone, NOS \n\nFurther contiguous extension:\n Anterior 2/3 of tongue\n Parotid gland\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)" ] ]
}