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Kodama’s classification

Kodama’s typesDescription
Small mucosal
Mucosal (M)Intramucosal EGCs measuring less than 4 cm
Submucosal (SM)Intramucosal EGCs minimally invading submucosa measuring less than 4 cm
Super mucosal
Mucosal (M)Intramucosal EGCs measuring more than 4 cm
Submucosal (SM)Intramucosal EGCs minimally invading submucosa measuring more than 4 cm
Pen (penetrating)
AEGCs massively invading submucosa with nodular pattern measuring less than 4 cm
BEGCs massively invading submucosa with saw teeth pattern measuring less than 4 cm
MixedPenetrating types (A or B) measuring more than 4 cm

EGC, early gastric cancer.