label: Stage I Gastric Cancer AJCC v6
label_lc: stage i gastric cancer ajcc v6
description: "Stage I includes: IA: (T1, N0, M0) and IB: (T1, N1, M0); (Ta/b, N0, M0).  T1: Tumor invades lamina propria or submucosa.  T2: Tumor invades the muscularis propria or the subserosa.  T2a: Tumor invades muscularis propria. T2b: Tumor invades subserosa.  N0: No regional lymph node metastasis.  N1: Metastasis in 1 to 6 regional lymph nodes.  N2: Metastasis in 7 to 15 regional lymph nodes.  M0: No distant metastasis. (AJCC 6th ed.)"