What is metastatic breast cancer – the type Olivia Newton-John had?

Newton-John spent 25 years in remission after her initial breast cancer treatment before the cancer returned in her spine. — TNS

The death of Australian superstar Olivia Newton-John on Aug 8 (2022) has drawn attention to an often misunderstood stage of breast cancer – metastatic breast cancer.

Newton-John was first diagnosed with breast cancer in the 1990s and spent 25 years in remission.