CS Extension

Notes

**Note 1**: Over 90% of penile cancers are squamous cell carcinomas arising in the skin. Other cancers arising in the skin include adenocarcinomas (5%) arising in sweat glands, melanomas (2%, included in the Melanoma schema), and basal cell carcinoma (2%). About 1% of penile cancers are sarcomas, arising in subcutaneous connective tissues. **Note 2**: Verrucous carcinoma (M-8051) is a locally aggressive, exophytic, low grade carcinoma with minimal metastatic potential. **Note 3**: If verrucous carcinoma is described as noninvasive or as having a broad pushing border or penetration, assign code 050. If verrucous carcinoma is not so characterized, assign code 070, Verrucous carcinoma, NOS. If there is destructive invasion of verrucous carcinoma into structures in code 100 or greater, assign the appropriate higher code. **Note 4**: Information about involvement of the corpus spongiosum or corpus cavernosum is collected in this field for anatomic staging. This information is also collected in CS Site-Specific Factor 10 because involvement of these structures may have an independent effect on prognosis.
Code Description AJCC 7 T AJCC 6 T Summary Stage 1977 T Summary Stage 2000 T
000 In situ, intraepidermal, intraepithelial, noninvasive
Bowen disease
Erythroplasia of Queyrat
Tis Tis IS IS
050 Noninvasive verrucous carcinoma
(See Note 3)
Ta Ta IS IS
070 Verrucous carcinoma, NOS
(See Note 1)
Ta Ta L L
100 Invasive tumor limited to subepithelial connective tissue, but not involving corpus spongiosum or cavernosum

If primary is skin: invasive tumor limited to skin of penis, prepuce (foreskin) and/or glans

Stated as T1 [NOS] with no other information on extension
Extension Grade LVI T1 L L
300 Localized, NOS Extension Grade LVI T1 L L
305 Satellite nodules on prepuce or glans Extension Grade LVI T1 RE RE
310 Stated as T1a with no other information on extension Extension Grade LVI T1 L L
320 Stated as T1b with no other information on extension Extension Grade LVI T1 L L
350 For body of penis ONLY:
Corpus cavernosum
Corpus spongiosum
Tunica albuginea of corpus spongiosum
T2 T2 L L
360 350 + 305

Tumors in body of penis plus satellite nodules on prepuce or glans
T2 T2 RE RE
400 Corpus cavernosum except for tumor in body of penis
Corpus spongiosum except for tumor in body of penis
Tunica albuginea of corpus spongiosum except for tumor in body of penis
T2 T2 RE RE
460 400 + 305 T2 T2 RE RE
500 OBSOLETE DATA CONVERTED V0203
See code 305

Satellite nodule(s) on prepuce or glans
ERROR: ERROR: ERROR: ERROR:
550 OBSOLETE DATA REVIEWED V0203
See code 360 and 460

500 + (350 or 400)
T2 T2 RE RE
560 Stated as T2 with no other information on extension T2 T2 L L
600 OBSOLETE DATA RETAINED V0200
Prostate reclassified as T4 in AJCC 7th Edition, see codes 620 and 650

Prostate
Urethra
ERROR: T3 RE RE
620 Urethra

Stated as T3 with no other information on extension
T3 T3 RE RE
650 Prostate T4 T3 RE RE
700 Adjacent structures:
Muscle, NOS:
Bulbospongiosus
Ischiocavernosus
Superficial transverse perineal
Skin:
Abdominal
Perineum
Pubic
Scrotal
T4 T4 RE RE
800 Further contiguous extension
Testis
T4 T4 D D
810 Stated as T4 with no other information on extension T4 T4 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 CS Extension codes 100-320 ONLY, the T category is assigned based on Grade and Lymph-vascular Invasion, as shown in the Extension Grade LVI Table for this schema.