Stage 0 Urethral Cancer AJCC v7

**Semantic type:** Neoplastic Process

**Definition:** Stage 0 includes: 0a (Ta, N0, M0); 0is (Tis, N0, M0); (Tis pu, N0, M0); (Tis pd, N0, M0). Ta: Noninvasive papillary, polypoid, or verrucous carcinoma. Tis: Carcinoma in situ. Tis pu: Carcinoma in situ, involvement of the prostatic urethra. Tis pd: Carcinoma in situ, involvement of the prostatic ducts. N0: No regional lymph node metastasis. M0: No distant metastasis. (AJCC 7th ed.)

**Synonyms:** - Stage 0 Carcinoma of Urethra - Stage 0 Carcinoma of the Urethra - Stage 0 Urethra Cancer - Stage 0 Urethra Carcinoma - Stage 0 Urethral Cancer - Stage 0 Urethral Cancer - Stage 0 Urethral Carcinoma - Urethra Cancer Stage 0 - stage 0 urethral carcinoma in situ