A breast cancer oncologist wrote an article about how it feels to have cancer after she herself was diagnosed. She describes it like this:
Cancer turns life into a roller coaster of hope and despair. Like an intruder lurking in your closet, you never quite feel safe. It was difficult to be out of control, at the mercy of the kindness and skills of medical professionals.
Her article is a good one. You can read it here: http://time.com/4949983/breast-cancer-diagnosis/
How do you describe cancer?