Berkshire HathawayCEO announced Tuesday that he has been diagnosed with stage I prostate cancer.

Warren Buffett speaks to CNBC's Becky Quick on June 2, 2010.

"The good news is that I've been told by my doctors that my condition is not remotely life-threatening or even debilitating in any meaningful way," he said in a letter to shareholders. "I received my diagnosis last Wednesday. I then had a CAT scan and a bone scan on Thursday, followed by an MRI today. These tests showed no incidence of cancer elsewhere in my body." (Click here to read the full letter.)