In which of the following a 'Coeur en Sabot' shape of the heart is seen –: (A) Tricuspid atresia, (B) Ventricular septal defect, (C) Transposition of great arteries, (D) Tetralogy of Fallot
Answer is D. `Coeur en Sabot' refers to the radialogical appearance of heart in a patient with Tetralogy of Fallot. The cardiac silhouette resembles that of a 'boot' or Wooden shoe in 'Coeur en Sabot' . X-rav findings in TOF 

Boot shaped heart (Coeur en sabot)                        o Oligemic pulmonary fields
Normal sized heart (no cardiomegaly)