• Former President Jimmy Carter talks about his cancer diagnosis during a news conference at The Carter Center in Atlanta on Thursday, Aug. 20, 2015. Carter announced that his cancer is on four small spots on his brain and he will immediately begin radiation treatment, saying he is "at ease with whatever comes." (AP Photo/Phil Skinner)

    As cancer treatment begins, Carter to scale back on work

    ATLANTA (AP) — Former President Jimmy Carter says he will step back from his humanitarian work and surround himself with his family as he undergoes three months of treatment for melanoma cancer.