Fig. 2From: Plasma pro-atrial natriuretic peptide to estimate fluid balance during open and robot-assisted esophagectomy: a prospective observational studyPlasma ProANP in relation to fluid balance during open (OE) and robot assisted esophagectomy (RE). Change in plasma proANP from start (baseline) to end of surgery (closure of the thorax). Regression line with 95% CI. Horisontal broken line indicates no change in proANPBack to article page