cardiac notch of stomach cardiac notch of stomach the right margin of the oesophagus is continuous with the lesser curvature of the stomach, while the left margin joins the greater curvature at an acute angle, termed the cardiac notch (or cardial notch). cardiac stomachoutline of stomach, showing its anatomical landmarks (cardiac notch not labeled, but visible at top center, as the indentation to the left of the fundus)detailsidentifierslatinincisura cardialis, incisura cardiacata98a05.5.01.011ta22924fma14576 14576, 14576anatomical terminology