Gastric TNM Staging • AJCC 8th OncologyPatient Education GuideTumor Depth (T)T1 (Submucosa)T2 (Muscularis Propria)T3 (Subserosa)T4a (Serosa)T4b (Adjacent Organs)Lymph Nodes (N)N0 (None)N1 (1-2 Nodes)N2 (3-6 Nodes)N3a (7-15 Nodes)N3b (16+ Nodes)Metastasis (M)None (M0)Distant (M1)Compute Final StageSelect TNM descriptors to visualize the pathological cancer stage.