This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S., Subject name: Pediatrics
[{'content': '"Egg on side appearance" is seen in \nSelect and explain. \nA. Fallot\'s tetralogy, B. Transposition of great vessels, C. Ebstein\'s anomaly, D. Ventricular septal defect', 'role': 'user'}, {'content': 'Answer: B \nExplanation: (Transposition of great vessels) (413- Ghai 6th) (414-Ghai 7th)TGA - Cardiac silhouette has an "egg on side" appearance the right upper lung field appear more plethroic than other areas, Thymic shadow is absent* TOF - The absence of main pulmonary artery segment gives it the shape - "Cor-en Sabot" (Boot- shaped)* Ebstein anomaly - Cardiomegaly due to right atrial and right ventricular enlargementsTotal anomalous Pulmonary venous connection (TAPVC) -* "Snowman" or figure of 8" configuration* Ground glass appearance* "Sitting -duck" heart - Persistent truncus arteriosus* The "Great Hilar Dance" on fluoroscopy - ASD* "Stag - antler" or "Hands up sign" - CCF', 'role': 'assistant'}]