was diagnosed with colon cancer. they told him it was terminal. trying to figure out what those years would be like with my family and young kids. to say it was difficult is an extreme understatement. reporter: but the prognosis was wrong. he needed chemo radiation and had 14 inches of his removed. he never thought he would live to do this again. packed his bags and head back to the north pole per. why put your body through that again? to see it again when i thought i would never do anything again. for me, it feels like the right thing to do. reporter: because when you have touched the top of the world and survived the predicted end of yours, risk is only opportunity to live wildly. david begnaud, cbs news, los angeles. norah: and inspiring us with his dreams. that is tonight s cbs evening news. i m norah o donnell. good night.
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