Sarah Ferguson, the Duchess of York, revealed she has been diagnosed with malignant melanoma just weeks after announcing that she "beat" breast cancer. This comes as King Charles III is set to undergo a procedure for an enlarged prostate and Princess Kate is recovering from abdominal surgery. NBC’s Molly Hunter reports for TODAY. » Subscribe to TODAY: youtube.com/@TODAY About: TODAY brings you the latest headlines and expert tips on money, health and parenting. We wake up every morning to give you and your family all you need to start your day. If it matters to you, it matters to us. We are in the people business. Subscribe to our channel for exclusive TODAY archival footage & our original web series. Connect with TODAY Online! Visit TODAY's Website: today.com Find TODAY on Facebook: facebook.com/today Follow TODAY on Twitter: twitter.com/TODAYshow Follow TODAY on Instagram: instagram.com/todayshow » Stream TODAY All Day: ht...