Figure 3From: The main pulmonary artery in adults: a controlled multicenter study with assessment of echocardiographic reference values, and the frequency of dilatation and aneurysm in Marfan syndromeThe box-and-whiskers plots of main pulmonary artery diameters (MPA, upper panel) and of MPA ratios (lower panel). Both, MPA diameters (P < .001) and MPA ratios (P < .001) were larger in Marfan syndrome than in normal adults.Back to article page