Former President Jimmy Carter says he’s going to take a step back from his role at the Carter Center as he gets treated for melanoma – which has spread to his brain.

At a press conference in Atlanta Thursday, Carter said he’ll immediately begin radiation treatment to help clear up four small spots on his brain. A mass was also found on his liver, which doctors removed earlier this month. He says he’ll also continue to attend Carter Center trustees meeting, may go on a scheduled trip to Nepal with Habitat for Humanity, and will still teach Sunday school in his hometown of Plains, Georgia.

“I would say the rest of my plans will be determined by my consultations with my doctors with what I need to do to get adequate treatment for the melanoma that exists, at least has existed in my liver. They think they got it all there now, but has shown up in four places in my brain and is likely to show up in other places in my body as the scans detect it," the former president said.

Doctors will continue scanning his body for cancer to determine where the melanoma originated. After his presidency, Carter continued his humanitarian and human rights work through the Carter Center, and was awarded the Nobel Peace prize.

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