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TNM and Stage Groupings > Penis
Penis
Primary Tumor (T)
| T Category |
Stage Category Definitions |
| TX |
Primary tumor cannot be assessed |
| T0 |
No evidence of primary tumor |
| Tis |
Carcinoma in situ |
| Ta |
Noninvasive verrucous carcinoma* |
| T1a |
Tumor invades subepithelial connective tissue without lymph vascular invasion
and is not poorly differentiated (i.e., grade 3-4) |
| T1b |
Tumor invades subepithelial connective tissue with LVI or is poorly
differentiated |
| T2 |
Tumor invades corpus spongiosum or cavernosum |
| T3 |
Tumor invades urethra |
| T4 |
Tumor invades other adjacent structures |
*Note: Broad pushing penetration (invasion) is permitted - destructive invasion is against
this diagnosis
Regional Lymph Nodes (N)
| N Category |
Stage Category Definitions |
| pNX |
Regional lymph nodes cannot be assessed** |
| pN0 |
No regional lymph node metastasis** |
| pN1 |
Metastasis in a single inguinal lymph node** |
| pN2 |
Metastasis in multiple or bilateral inguinal lymph nodes** |
| pN3 |
Extranodal extension of lymph node metastasis or pelvic lymph node(s)
unilateral or bilateral** |
**Based upon biopsy, or surgical excision
Distant Metastasis (M)
| M Category |
Stage Category Definitions |
| M1 |
Distant metastasis* |
No distant metastasis (no pathologic M0; use clinical M to complete stage group)
*Note: Lymph node metastasis outside of the true pelvis in addition to visceral or bone
sites.
Anatomic Stage/Prognostic Groups
| Stage |
T |
N |
M |
| 0 |
Tis |
N0 |
M0 |
| 0 |
Ta |
N0 |
M0 |
| I |
T1a |
N0 |
M0 |
| II |
T1b |
N0 |
M0 |
| II |
T2 |
N0 |
M0 |
| II |
T3 |
N0 |
M0 |
| IIIA |
T1-3 |
N1 |
M0 |
| IIIB |
T1-3 |
N2 |
M0 |
| IV |
T4 |
Any N |
M0 |
| IV |
Any T |
N3 |
M0 |
| IV |
Any T |
Any N |
M1 |
