There are four types of DORV: aorta parallel to the PA and to its right (64%), which resembles tetralogy of Fallot; aorta anterior and to the right of the PA (26%), resembling D-transposition of great arteries; aorta anterior and to the left of the aorta (7%), resembling L-transposition of great arteries; and aorta posterior and to the right of the PA (3%).