This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T., Subject name: Radiology
[{'content': 'Which is not component of left isomerism? \nSelect and explain. \nA. Polysplenia, B. Midline liver, C. Left sided IVC, D. Duplication of gallbladder', 'role': 'user'}, {'content': 'Answer: D \nExplanation: 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 pulmonary/left atria# Midline/transverse liver# Intestinal malrotationRight isomerism (asplenia syndrome)# Severe cyanotic congenital heart diseases# Absence of spleen# Bilateral eparterial bronchi# Bilateral trilobed lungs# Bilateral right atria# Midline/transverse liver# Intestinal malrotation', 'role': 'assistant'}]