bloody dishage

I have a question. I had breast cancer in the left breast last year and went through having lymph nodes removed ,chemotherapy, and radiation,I just finishedtheses treatments in feburary 2010.I am now on arimidex for 5 years but for the past week I have had a bloody discharge from the right nipple,had the mammogram was normal just had an ultrasound now Iwill go for a ductectomy. Wat are the chances of cancer?

[Cleveland Clinic]

Dear nurseblueeyes, Bloody discharge from the nipple can be attributed to several different causes most of which are benign.  However, it is a symptom that needs to be evaluated to be sure.