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TNM classification of tumors of the penis

















































































Table 23-3. TNM classification of tumors of the penis.
T—Primary tumor
  TX:
Cannot be assessed.
  T0:
No evidence of primary tumor.
  Tis:
Carcinoma in situ.
  Ta:
Noninvasive verrucous carcinoma.
  T1:
Invades subepithelial connective tissue.
  T2:
Invades corpus spongiosum or cavernosum.
  T3:
Invades urethra or prostate.
  T4:
Invades other adjacent structures.
N—Regional lymph nodes
  NX:
Cannot be assessed.
  N0:
No regional lymph node metastasis.
  N1:
Metastasis in single superficial inguinal node.
  N2:
Metastasis in multiple or bilateral superficial inguinal nodes.
  N3:
Metastasis in deep inguinal or pelvic nodes.
M—Distant metastasis
  MX:
Cannot be assessed.
  M0:
No distant metastasis.
  M1:
Distant metastasis present.
Source: American Joint Committee on Cancer: TNM Classification—Genitourinary Sites, 1996.