In a tweet posted on Thursday, she captioned it, "Just when you thought..." followed by a screenshot of a note that read, "1 in 8 women get breast cancer. Today, I'm the one.""The good news is that I have the most glorious group of supportive and caring family and friends, and fantastic insurance through my union," she wrote. "The bad news is that not all women are so lucky, so let's fight all cancers and make universal health care a reality."