Well, when I heard that she hadn't had a mammogram in three years, I thought exactly the same thing. Her lymph nodes were also removed, which is not a good sign either.
Laura has an upbeat personality and I just can't see her coming on the air with bad news. Or, since she does appear to be an honest, upfront person, she would cast it in the most positive way possible. I have suspected that if things don't look good that she would make personal decisions accordingly but would be careful how such news would affect her ability to do her job and how it would affect her listeners. Without knowing more, I don't see this as good news. I like her and hope the best for her.