Tumour marker CA15-3 has gone up

I was diagnosed with secondary breast cancer that has mestastied to the liver in December 2012, I had 18 weeks of chemo and have since June 2013 been taking leteozole, my tumour market has gone upto 420, it was 400 and has been as low as 379. What does this mean and has any body else has this. So scars

Hello Kimmy1

Whilst waiting for replies to your post maybe you would like to give our free helpline a call where the staff can offer practical information as well as emotional support.  The free phone number is 0808 800 6000 and the lines are open Monday to Friday 9.00 to 5.00 and Saturday 10.00 to 2.00.

Best wishes

June, moderator