Kate Middleton, the Princess of Wales, announced Friday that she has been diagnosed with cancer and is undergoing chemotherapy treatment. In a videotaped statement, the 42-year-old said her abdominal surgery in January was successful but tests after the operation found "cancer had been present.""My medical team therefore advised that I should undergo a course of preventative chemotherapy and I am now in the early stages of that treatment," she said. "This of course came as a huge shock, and William and I have been doing everything we can to process and manage this privately for the sake of...…Kate Middleton, the Princess of Wales, announced Friday that she has been diagnosed with cancer and is undergoing chemotherapy treatment. In a videotaped statement, the 42-year-old said her abdominal surgery in January was successful but tests after the operation found "cancer had been present.""My medical team therefore advised that I should undergo a course of preventative chemotherapy and I am now in the early stages of that treatment," she said. "This of course came as a huge shock, and William and I have been doing everything we can to process and manage this privately for the sake of...WW…