After 5 years of mild fibro symptoms - I suddenly got this horrible back-ache 3 weeks ago. Started between my shoulder blades every day it would move to new spots up and down my back and has even been to the front bottom of my rib cage. It is a dull ache sometimes burning. Even on both sides of the back moving up and down. Seems so much worst sitting, better standing. It feels like it is in my bones!! I have also found a lump under my right arm pit - very small doctor says to just watch it and gave me anti inflamatory med's which are not helping one bit. I also have fibro cystic breasts - very very lumpy and am worried that this 3 weeks constant ache is more then just fibro - don't want to have cancer or something and have my Dr. thinking I have fibro... as I have never had fibro in my spine before on ly my shoulders arms legs hips. Has anyone had severe back pains moving up and down and feeling like it is in your bones. Please alleviate my worries I have a mammogram just to be safe next Friday but man if it is something worst in my bones, that is something to get scared about.