Figure 2

An 'I'-shaped mark [(2.5–3) cm × 3.5 cm] was marked with gentian violet on the anterior wall of the gastric remnant (approximately 1.5 cm from the upper incisal margin) near the lesser curvature of stomach to match the width of the seromuscular flap with the oesophageal diameter; the upper edge of the seromuscular flap must be parallel to the incisal margin of the upper end of the gastric remnant.