Olivia Newton-John Undergoes Radiation Treatment

Singer Olivia Newton-John says her breast cancer has returned and spread to her lower back.

Olivia is an advocate for healthy living and medical research after her first bout of cancer in 1992.

She will undergo radiation treatment and is confident of returning to work later this year, her representatives said in a statement.

The ‘Grease’ actress and singer decided to have therapies after consultation with her doctors and natural therapists and the medical team at her Olivia Newton-John Cancer Wellness and Research Centre in Melbourne, Australia.

She was postponing her June U.S. and Canadian tours.

British-born and Australian-raised Newton-John started her career as a singer with pop hits like ‘If Not for You’ and ‘I Honestly Love You.’

She played a goody-goody teenager Sandy opposite John Travolta‚Äôs wild boy Danny Zuko in the 1978 movie adaptation of musical ‘Grease.’

She was first diagnosed with breast cancer in 1992 and has raised funds for research and treatment as well as campaigning against animal cruelty.