Clinical T

This input is used for staging


**Note 1:** FIGO does not include an in situ category for tumors of the vulva, but TNM does. Assign pTis (behavior code /2) for in situ cases. **Note 2:** When both the Federation Internationale de Gynecologie et d'Obstetrique (FIGO) stage and extension information on the primary tumor are available, use the extension information to assign the T in preference to a statement of FIGO stage - see Registrar notes. * If the only information is FIGO III [NOS], IIIA, IIIB, IIIC, or IVA, assign the appropriate stage and leave clinical T, N, and M blank. If the only information is FIGO stage IVB, leave T and N blank and see M **Note 3:** FIGO Stage I, IA and IB are defined by the following * Size of tumor * Involvement of vulva OR vulva and perineum * Depth of stromal invasion **Note 4:** 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. (1) **Note 5:** T3 is not used by FIGO. They label it T4. If you have a record which states T4, assign T3. (1) **Note 6:** FIGO Stage IVA is assigned based on tumor extension and/or regional lymph node involvement.


Clinical T Clinical T Display Description Registrar Notes
cX cTX Primary tumor cannot be assessed Clinical classification criteria met, evaluation done:
Physician unable to assess T
Extension cannot be determined OR
Physician assigns cTX, no other information available to determine T
c0 cT0 No evidence of primary tumor
pIS pTis Carcinoma in situ (preinvasive carcinoma)
Intraepithelial neoplasia Grade III (VIN III)
Bowen disease
c1 cT1 Tumor confined to vulva or vulva and perineum# Note: T1 has subcategories of T1a and T1b. Assign T1 only when there is no information available to assign one of the subcategories

Vulva and perineum: Stromal invasion but depth of invasion in millimeters not stated

Invasive carcinoma confined to:
Vulva including skin

Confined to the vulva and perineum, size unknown

Localized, NOS

FIGO Stage I [NOS]

Stated as T1 [NOS]
c1A cT1a Tumor 2 cm or less in greatest dimension and with stromal invasion no greater than 1.0 mm Vulva and perineum: Stromal invasion less than or equal to 1 mm


Stated as T1a
c1B cT1b Tumor greater than 2 cm or with stromal invasion greater than 1 mm Vulva and perineum: Stromal invasion greater than 1 mm


Stated as T1b
c2 cT2 Tumor of any size with extension to adjacent perineal structures:
Lower third urethra
Lower third vagina
Perianal skin
Urethra, NOS
Vagina NOS


Stated as T2
c3 cT3 Tumor of any size with extension to the following structures:
Bladder mucosa
Fixed to pelvic bone
Rectal mucosa
Upper 2/3 urethra
Upper 2/3 vagina
Bladder wall or bladder, NOS (including mucosa)
Perineal body
Rectal wall or rectum, NOS (including mucosa)

Further contiguous extension

Stated as T3 or T4
88 88 Not applicable Primary site/histology not TNM defined
Death certificate only (DCO) case
<BLANK> BLANK See Registrar Notes Only information is FIGO Stage III [NOS], IIIA, IIIB, IIIC, IVA, or IVB

Clinical classification not met
Clinical classification criteria met, evaluation done:
No information about diagnostic workup
Results not documented in record
Clinical evaluation of primary tumor not done or unknown if done
Tumor first detected on surgical resection (no clinical workup)
Evidence of metastatic disease [(cM1) or (pM1)], no other workup
(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., 198 \# T1 [NOS] is not defined in AJCC 7th edition.