ocr: File Edit Mode Image Filter Select WDindow Heart.PSF (Mitral Valvellatt Layers Channels Paths Normal Opacity - 100% Preserve Transparency Superior Dena Lavallabel) Pulmonary Artery Front Aorta Pulmonary Artery Back Right ventricle Front Right ventricle Back - - Lel ltum Mitral Valve 1.62M/20.0M -