Warren Buffett says diagnosed with prostate cancer, not debilitating or life-threatening

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This photo from May 2, 2011 shows billionaire investor Warren Buffett, Chairman and CEO of Berkshire Hathaway in Omaha, Neb. The 81-year-old billionaire investor told shareholders on Tuesday, April 17, 2012, that he has been diagnosed with stage 1 prostate cancer and that his condition is “not remotely life-threatening” and that it is not debilitating. (AP Photo/Nati Harnik)

OMAHA, Neb. - Warren Buffett told his company's shareholders in an open letter Tuesday that he has been diagnosed with early-stage prostate cancer.

The 81-year-old billionaire investor and CEO of Berkshire Hathaway Inc. said his condition is "not remotely life-threatening" or debilitating. He said he and his doctors have decided on a two-month treatment plan that is to begin in mid-July.

"I feel great — as if I were in my normal excellent health," Buffett said in the letter. "And my energy level is 100 per cent. I discovered the cancer because my PSA level (an indicator my doctors had regularly checked for many years) recently jumped beyond its normal elevation and a biopsy seemed warranted."

Buffett said he was diagnosed April 11 and has received tests including a CAT scan, a bone scan and an MRI.

Buffett is known for a no-nonsense approach to investing. He is one of the world's richest men and, in recent years, has become one of its most generous philanthropists.

Buffett's stake in Berkshire Hathaway was worth more than $43 billion as of December.

He told shareholders in February that Berkshire's board has chosen someone to succeed him as CEO — someday — and he said there are two backup candidates.

None of the three has been identified.

Buffett said then that last year's departure of a top executive, David Sokol, did not affect the board's choice for successor.

Buffett has said Berkshire plans to split his job into three parts with a CEO, a chairman and several investment managers. And he has said his son Howard, a member of Berkshire's board, would make an ideal chairman.

Berkshire owns more than 80 companies, including clothing, furniture, brick and jewelry firms. Its insurance, railroad and utility businesses typically account for more than half of its net income. It also has major investments in such companies as American Express Co., International Business Machines Corp., Washington Post Co. and Wells Fargo & Co.

Although Buffett's investment success has made his a household name nationwide — and made him a Wall Street oracle — he still works in his hometown of Omaha and lives in a house he bought in 1958.

Some 240,000 men in the U.S. are diagnosed with prostate cancer each year.

Many prostate cancer patients with slow-growing tumors can live their whole lives without symptoms or treatment, according to the American Cancer Society. Many die of something else before the cancer kills them.

Buffett concluded his letter with a nod to that fact.

"I will let shareholders know immediately should my health situation change," he wrote. "Eventually, of course, it will; but I believe that day is a long way off."

Berkshire's class B shares rose $1.09 Tuesday to close at $80.76. They fell $1.28 after hours following the release of Buffett's latest letter.