Collaborative Stage

Collaborative Stage for TNM 7 - Revised 12/22/2009 [ Schema ]

MerkelCellVulva

CS Extension

Note: The depth of invasion is defined as the measurement of the tumor from the epithelial-stromal junction of the adjacent most superficial dermal papilla to the deepest point of invasion.

Code	Description	TNM 7 Map	TNM 6 Map	SS77 Map	SS2000 Map
000	In situ: Noninvasive; intraepithelial Bowen's disease, intraepidermal; preinvasive carcinoma	Tis	Tis	IS	IS
100	Invasive cancer (no stromal invasion) confined to: Musculature Submucosa Vulva including skin	^	*	L	L
105	Vulva only: Stromal invasion but level of invasion in mm not stated	^	*	L	L
110	Vulva only: Stromal invasion less than or equal to 1 mm	^	*	L	L
120	Vulva only: Stromal invasion greater than 1 mm	^	*	L	L
300	Localized, NOS	^	*	L	L
400	Vulva and perineum, level of invasion in mm not stated	^	*	RE	RE
410	Vulva and perineum, stromal invasion less than or equal to 1 mm	^	*	RE	RE
420	Vulva and perineum, stromal invasion greater than 1 mm	^	*	RE	RE
600	OBSOLETE DATA RETAINED V0200 Anus Perianal skin Urethra (See code 750 for upper urethral mucosa) Vagina	ERROR	T3	RE	RE
605	Anus Perianal skin Urethra (lower/distal 1/3 urethra or not stated) (See code 750 for upper urethra)	T2	T3	RE	RE
610	Vagina (lower/distal 1/3 vagina)	T2	T3	RE	RE
612	Vagina NOS	T2	T3	RE	RE
618	Vagina (upper/proximal 2/3 vagina)	T3	T3	RE	RE
620	Bladder wall or bladder, NOS excluding mucosa Rectal wall or rectum, NOS excluding mucosa	T3	T3	D	RE
700	Perineal body Rectal mucosa	T4	T4	D	D
750	OBSOLETE DATA RETAINED V0200 Bladder mucosa Fixed to pubic bone Upper urethral mucosa	ERROR	T4	D	D
760	Bladder mucosa Urethra (upper/proximal 2/3 urethra)	T4	T4	D	D
770	Fixed to pubic bone Underlying cartilage, bone, skeletal muscle	T4	T4	D	D
800	Further contiguous extension	T4	T4	D	D
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 CS Extension codes 100, 105, 110, 120, 300, 400, 410, and 420 ONLY, the T category is assigned based on the value of Tumor Size and CS Extension, as shown in the AJCC 6th Extension Size Table for this schema.
^ For CS Extension codes 100, 105, 110, 120, 300, 400, 410, and 420 ONLY the T category is assigned based on the value of Tumor Size and CS Extension, as shown in the AJCC 7th Extension Size Table for this schema.