Breast lump(s)

Hi,

I was referred to the breast clinic (last Monday 2/11) because of a small, hard, pea sized lump and after ultrasound, biopsy and mammogram I left the hospital with nothing but worry.

I was told the small lump is a cyst- as expected- but they were unsure what the cyst was attached to. It was described as a shadow and a mass. During the ultrasound I was told there are no swollen glands and no lumps etc anywhere else in my breast. 

I do have a few questions that I couldn't think of at the time and I'm hoping maybe someone who has been through it could offer a little comfort or knowledge.

How long is the wait for results usually? The worry is eating me up!

The metal thread inserted at the time of biopsy- is this just to show where the biopsy was taken from?

Is it normal for biopsy site to be sore after a week?

Has anyone else had a shadow described on their ultrasound? If so, what was it?

Also, the person I spoke with at the clinic said she "marked it down as a 3 or 4 and during the ultrasound it was marked as a 4". What does this mean?