Understanding a Repeat Mammogram After a Benign Biopsy

Question
I was called back for a repeat mammogram.  Two years ago I had a stereostatic biopsy which was benign.  I can't remember what they said it was?  What could this repeat mammo mean?

Answer
Well it just means that they have seen something out of the ordinary. What that may be I do not know - only those who have called you back would know why they do it but not necessarily what it is yet. Please send me your mammography reports (copy them here) and I may be able to give you a better answer!