label: Stage III Gastric Cancer AJCC v6
label_lc: stage iii gastric cancer ajcc v6
description: "Stage III includes: IIIA (T2a/b, N2, M0); (T3, N1, M0); (T4, N0, M0).  IIIB: (T3, N2, M0).  N0: No regional lymph node metastasis. N1: Metastasis in 1 to 6 regional lymph nodes.  N2: Metastasis in 7 to 15 regional lymph nodes. T2a: Tumor invades muscularis propria.  T2b: Tumor invades subserosa. T3: Tumor penetrates serosa (visceral peritoneum) without invasion of adjacent structures. T4: Tumor invades adjacent structures.  M0: No distant metastasis. (AJCC 6th ed.)"