Newton-John, 69, first fought breast cancer in the 1990s. It returned about five years ago.

\"I'm one of millions in this fight ... I shouldn't say fight, in this journey,\" she said.

\"PHOTO:
Chris McKay/Getty Images
PHOTO: Olivia Newton-John performs at Cobb Energy Centre on April 9, 2017, in Atlanta, Georgia.
>

The singer is also \"treating it naturally and doing really well,\" she said.

In addition to changing her diet and cutting out sugar, she has undergone radiation therapy and is taking cannabis oil for the pain.

\"A lot of cannabis, my husband grows for me,\" she said. \"They help with pain, they help with sleep.\"

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