Stage IIIB Bladder Cancer AJCC v8

**Semantic type:** Neoplastic Process

**Definition:** Stage IIIB includes: T1-T4a, N2, N3, M0. T1: Tumor invades lamina propria (subepithelial connective tissue). T2: Tumor invades muscularis propria. T3: Tumor invades perivesical soft tissue. T4a: Extravesical tumor invades directly into prostatic stroma, uterus, vagina. N2: Multiple regional lymph node metastasis in the true pelvis (perivesical, obturator, internal and external iliac, or sacral lymph node metastasis). N3: Lymph node metastasis to the common iliac lymph nodes. M0: No distant metastasis. (AJCC 8th ed.)

**Synonyms:** - IIIB - Stage IIIB Bladder Cancer - Stage IIIB Bladder Carcinoma AJCC v8