Ryan ONeal has been diagnosed with stage 2 prostate cancer.
he confirmed the news to US publication People, telling the magazine that while he was "shocked and stunned" by the news, he felt fortunate the disease had been detected early.
"According to my extraordinary team of doctors the prognosis is positive for a full recovery," added the Love Story actor, who battled leukemia in 1998.
The 70-year-old added: "I am deeply grateful for the support of my friends and family during this time.
And I urge everyone to get regular check-ups, as early detection is the best defense against this horrible disease that has afflicted so many."
The news comes three years after Ryan lost his long-time partner Farrah Fawcett from cancer. She died in 2009 aged 62.
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