Handsome actor Patrick Dempsey, better known to some of you as Dr. Derek “McDreamy” Shepherd on “Grey’s Anatomy,” was back in his hardscrabble hometown in Maine over the weekend to host the Dempsey Challenge, a fund-raiser for the Patrick Dempsey Center for Cancer Hope & Healing at Central Maine Medical Center in Lewiston. More than 1,400 cyclists took part in the 10-, 25-, 50-, 70- and 100-mile rides Sunday. Dempsey (at right), who was born in Lewiston, created the event after watching his 77-year-old mother battle ovarian cancer.
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