Transthoracic echocardiogram in long-axis view of patient 3, showing an obstructive mass in the left ventricular outflow tract, caused by a pseudotumor attached to the anterior mitral valve annulus, with echo-lucencies within the mass. AO = aorta; LA = left atrium; LV = left ventricle; LVOT = left ventricular outflow tract; MV = mitral valve; PST = pseudotumor.