This isn't good, and this situation is actually called complete TGA, or sometimes dextro-TGA or d-TGA, dextro meaning " right" , since in this case, the aorta's in front of and primarily to the right of the pulmonary artery.

妙，被称为完全TGA，有时也叫右TGA或者d-TGA，dextro的意思是右的，因为下，主动脉在肺动脉的前面并且主要在肺动脉的右边。