Former world No. 1 tennis player Martina Navratilova said Monday she has been diagnosed with throat and breast cancer. The 66-year-old won 59 Grand Slam titles across singles and doubles.

While there’s no surefire way to prevent throat cancer, there are steps you can take to lower your risk, according to the Mayo Clinic. If you smoke or chew tobacco, quitting is a crucial first step.

Surgeons at the Queen Elizabeth II Health Sciences Centre in Halifax are helping develop a surgical technique that reduces recovery time after throat and mouth cancer surgery.