Breast calcifications

I went in for a mammogram and ultrasound.  The ultrasound showed a lump that looks like a fibroadenoma apart from I'm 51 so I'm not sure if that's possible? Has anyone else had a fibroadenoma in their 50s or older? I had a biopsy done on this the other day. The mammogram showed  calcifications on my right breast that are 'indeterminate' so I'm going for biopsy tomorrow. Apparently they were on my mammogram from 2.5 yrs ago but they weren't concerned then. I think there are more now. Feeling nauseous from the worry.