Radio host Don Imus announced on his radio show Monday that he is battling stage II prostate cancer.

Imus, 68, known for his controversial and outspoken opinions on everything from sports to politics, offered no word on his prognosis but said that he had full confidence "his doctors will beat it."

Imus made the announcement Monday on his morning show from New York, which airs on ABC Radio Networks and cable's RFD-TV. He said he wrestled with the idea of making it public, but figured he should because he might have to miss some work due to treatment.

"I'm changing the name of the Imus Cattle Ranch for Kids with Cancer to the Imus Cattle Ranch for Kids with cancer and me," he said, referring to his charity to help children with cancer.

Imus said he has early stage cancer, which means it hasn't spread outside the prostate.

"The day you find out is fine," he said. "But the next morning when you get up, your knees are shaking. I didn't think I could make it to work."

Imus said he was surprised more than anything about the diagnosis, since he's been intent on following a healthy diet for the past decade.

He noted that doctors seemed reluctant to talk about one of his big worries: What prostate cancer treatment will mean for his sex life.

Perhaps best known for a 2007 scandal that ensued after he referred to the championship-winning Rutger’s Women’s Basketball Team as “nappy-headed hos,” Imus lost his job with CBS, but was hired by ABC later that year.

The Associated Press contributed to this report.