Pathologic Stage IIIB Esophageal Squamous Cell Carcinoma AJCC v8

**Semantic type:** Neoplastic Process

**Definition:** Stage IIIB includes: (T2, N2, M0, Any G, Tumor location: Any); (T3, N1-2, M0, Any G, Tumor location: Any); (T4a, N0-1, M0, Any G, Tumor location: Any). T2: Tumor invades the muscularis propria. T3: Tumor invades adventitia. T4a: Tumor invades the pleura, pericardium, azygos vein, diaphragm, or peritoneum. N0: No regional lymph node metastasis. N1: Tumor with metastasis in one or two regional lymph nodes. N2: Tumor with metastasis in three to six regional lymph nodes. M0: No distant metastasis. (AJCC 8th ed.)

**Synonyms:** - IIIB - Stage IIIB Esophageal Squamous Cell Cancer