I found a pea-sized lump in my left breast about a month ago... I just assumed it was scar tissue from a cyst I had removed last year (from the outside of my breast by a dermatologist).  I saw her last week and asked if what I felt was due to the removal of my cyst and she said I need to get a mammogram.  I called my doctor and was given an appointment immediately.  He felt it and said that the bump was about a 1/2 an inch away from the scar.  He said it could be three things... scar tissue, a cyst, or something that needs further testing.  I'm having a mammogram and ultrasound on Monday, but he said it may not show anything.  I guess my question is... When I go to get these tests done, will they tell me immediately if they see something?  I do feel this lump and want to know what it could be.  Does anyone have any experiences with a small lump at the bottom of their breast?  It seems I read a lot about lumps under the armpits.  I'm not too worried, but maybe some advice from someone that has been there wouldn't hurt.

By the way, I'm 41 and the lump has not grown or changed location.  Thank you!