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A combination photo of Bill Gates Warren Buffett and Jeff Bezos

A combination photo shows L-R: Bill Gates in Washington on April 18, 2016, Warren Buffett, in New York on September 8, 2015 and Jeff Bezos in New York on December 2, 2014 respectively. REUTERS/File Photos

Warren Buffett battling prostate cancer

April 17, 2012

Berkshire Hathaway Inc's Warren Buffett disclosed on Apr. 17 that he has stage 1 prostate cancer. Buffett said he will begin a two-month treatment consisting of daily radiation treatments starting in mid-July.