Figure 3: A Superior frontal view of a heart with TOF showing the anomalous origin of the LAD from the RCA. The conus coronary artery (CC) originates just after the LAD. The hypoplastic main pulmonary artery (MPA) is seen to the left of the aorta (Ao). B - Frontal view with the RV opened along the cut (arrow head) indicated in A. Note the cut ends of the LAD (short arrows) divided by opening the RV outflow (long arrow).