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': 'Boot shaped heart on chest X-ray is seen in \nSelect and explain. \nA. TGA, B. TAPVC, C. PAPVC, D. Tetrofogy of fallot', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Radiological findings of TQF\ni) Boot shaped heart (Coeur en Sabot)\nii) Normal sized heart (no cardiomegaly)\niii) Pulmonary oligemia\niv)Right aortic arch (in 25% cases).', 'role': 'assistant'}]