<prompt> Which is not component of left isomerism?PolyspleniaMidline liverLeft sided IVCDuplication of gallbladder  <response>: Ans DDuplication of gall bladder, right sided liver, asplenia are part of right isomerism.Left isomerism :polysplenia syndrome Multiple splenules without a parent spleen Azygos or hemiazygos continuation of the inferior vena cava Bilateral hyparterial bronchi Bilateral bilobed lungs Bilateral pulmonaryleft atria Midlinetransverse liver Intestinal malrotationRight isomerism asplenia syndrome Severe cyanotic congenital heart diseases Absence of spleen Bilateral eparterial bronchi Bilateral trilobed lungs Bilateral right atria Midlinetransverse liver Intestinal malrotation 