Collaborative Stage

Collaborative Stage for TNM 7 - Revised 01/25/2010 [ Schema ]

PalateSoft

CS Extension

Note 1: Use code 300 for localized tumor ONLY if no information is available to assign code 100, 200, 400, 405, or 410.
Note 2: Use code 405, 410, 645, 735, 810, or 815 if the physician's assignment of T category is the ONLY information available about the extent of the tumor.

Code	Description	TNM 7 Map	TNM 6 Map	SS77 Map	SS2000 Map
000	In situ; noninvasive; intraepithelial	Tis	Tis	IS	IS
100	Invasive tumor on one side confined to: Lamina propria Submucosa	^	*	L	L
200	Musculature invaded	^	*	L	L
300	Localized, NOS	^	*	L	L
400	Tumor crosses midline	^	*	L	L
405	Stated as T1 with no other information on extension	^	*	L	L
410	Stated as T2 with no other information on extension	^	*	L	L
500	Buccal mucosa (inner cheek) Gum (gingiva), upper	^	*	RE	RE
600	Lateral pharyngeal wall Tonsillar pillars and fossae Tonsils	^	*	RE	RE
640	Epiglottis, lingual surface	T3	*	D	D
645	Stated as T3 with no other information on extension	T3	*	RE	RE
650	Hard palate	T4a	T4a	RE	RE
670	Nasal cavity	T4a	T4a	RE	D
675	(660 or 670) + 640 (Hard palate or Nasal cavity + Epiglottis, lingual surface)	T4a	T4a	D	D
700	Mandible Maxilla Palatine bone (bone of hard palate)	T4a	T4a	D	D
710	Pterygoid muscle, medial or NOS	T4a	T4a	D	D
720	Tongue Deep (extrinsic) muscle of tongue: Genioglossus Geniohyoid Hyoglossus Mylohyoid Palatoglossus Styloglossus	T4a	T4a	D	D
730	Larynx Hypopharynx	T4a	T4a	D	D
735	Stated as T4a with no other information on extension	T4a	T4a	RE	RE
740	Maxillary sinus (antrum) Nasopharynx, lateral or NOS	T4b	T4b	D	D
770	OBSOLETE DATA CONVERTED V0200 Moved to lower code for better sequencing of AJCC T4a, see code 670 Nasal cavity	ERROR	ERROR	ERROR	ERROR
780	Pterygoid muscle, lateral Pterygoid plates Note: For medial pterygoid muscle or pterygoid muscle, NOS, see code 710	T4b	T4b	RE	D
790	780 + (640, 700 to 740) (Any structure in 780 + any structure in 640, 700 to 740	T4b	T4b	D	D
800	Further contiguous extension including: arotid artery (encased) Skull base	T4b	T4b	D	D
810	Stated as T4b with no other information on extension	T4b	T4b	RE	D
815	Stated as T4NOS with no other information on extension	T4NOS	T4NOS	RE	RE
950	No evidence of primary tumor	T0	T0	U	U
999	Unknown extension Primary tumor cannot be assessed Not documented in patient record	TX	TX	U	U

^ For Extension codes 100 - 600 ONLY, the T category for AJCC 7th Edition staging is assigned based on the value of CS Tumor Size, as shown in the Extension Size Table for this site.
* For Extension codes 100 - 645 ONLY, the T category for AJCC 6th Edition staging is assigned based on the value of CS Tumor Size, as shown in the Extension Size Table for this site.