This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Radiology
[{'content': "In which of the following, a 'coeur en sabot'/ boot shaped hea is seen: March 2011 \nSelect and explain. \nA. Tricuspid atresia, B. Ventricular septal defect, C. Transposition of great aeries, D. Tetralogy of Fallo", 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. D: Tetralogy of Fallot The X-ray in TOF shows a normal sized hea with upturned apex, suggestive of right ventricular hyperophy The absence of main pulmonary aery segment gives the shape described as cor-en-sabot Remember: Boot shaped hea: Fallot's tetralogy Egg on side hea/ Apple on a string: Transposition of great aeries Snowman hea: Total anomalous pulmonary venous connection (TAPVC) Double shadow: Mitral stenosis Water lily sign: Hydatid cyst Pulmonary oligemia, cardiomegaly: Ebsteins anomaly", 'role': 'assistant'}]