Fig. 4

a Resected stomach. b Mapping of tumors. [I] M, less, Type 0–IIc, 15 × 8 mm; [II] L, Gre, Type 0–IIa, 15 × 12 mm; [III] M, Post, Type 0–IIb, 2 mm (not shown in this figure but in the frozen section); [IV] tubular adenoma, low grade. The black dotted circle indicates the location of the primary gastric cancer, as inferred from pretreatment endoscopic findings