Janet Jackson is reportedly undergoing throat surgery to remove a potentially cancerous growth. A source close to the singer has revealed that the singer is having a potentially cancerous growth removed from her vocal cords. The surgery and possible follow-up medical treatment will likely force her to cancel her 2016 Unbreakable tour dates. According to the insider, despite this medical setback, the 49-year-old pop icon is remaining positive. Janet said she knows that with prayers and her will, she?ll be back out on the road in the spring or early summer.