BECOMING A PEDIATRIC ONCOLOGIST,,What Do I Have To Do?!?

I am looking into becoming a pediatric oncologist [not a nurse, a doctor]. I need help, i understand very little about the requirements right now. Im looking at a school and it has the course curriculum planned to get a BSN [bachelor of science in nursing], and i dont really know if that is what i need; i am talking about EDUCATION REQUIREMENTS FOR PEDIATRIC ONCOLOGISTS. i really need help! (Tell me what to major & minor in, what to get bachelor's degree in, how to get into medical school, what medical school & i will take it from there) PLEASE AND THANK YOU!