Post Menopausal Bleeding How Serious Is Post Menopausal Bleeding?

How serious is post menopausal bleeding? - post menopausal bleeding

A relative has just started bleeding 4 years after menopause. I know this is not normal, but no one has met anyone who has seen this before? I know it can be a sign of cancer, but it can be hoped, because the symptoms are just beginning cureable.