['A few years ago, I thought I had breast cancer. It was such a scary time, but I tried to think positive.', 'I bet you were terrified!  Did everything turn out okay?', "I was. And, yes, it did. I am so glad it did. I guess it's true what they say about the power of positive thinking."]
Very true!  I'm glad it worked for you
When I thought I had breast cancer. I was trying to tell myself everything would be okay.