label: Clinical Stage IVA Esophageal Squamous Cell Carcinoma AJCC v8
label_lc: clinical stage iva esophageal squamous cell carcinoma ajcc v8
description: "Stage IVA includes: (T4, N0-2, M0); (Any T, N3, M0). T4: Tumor invades adjacent structures. 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. N3: Tumor with metastasis in seven or more regional lymph nodes. M0: No distant metastasis. (AJCC 8th ed.)"