Main pulmonary artery continuing as right pulmonary artery with trifurcation at its origin and aberrant origin of left pulmonary artery from ascending aorta in a case of tetralogy of Fallot.

Anomalous origin of the left pulmonary artery from the ascending aorta is a rare cardiac malformation described with tetralogy of Fallot. Trifurcation of right pulmonary artery after origin from the main pulmonary artery has not been reported in literature yet.