Hi im 21 this year and i found a not very obvious lump year and half ago,its located on my above part of my breast,near to my chest.its hard and painless and does not move.i went to the doctors twice,the first doctor thought it was my bones(yes its that hard)well anyway,he then did an xray n found nothing,so i decided to get a second opinion,the 2nd doctor did a ultrasound and found nothing too n told me not to worry,that was a year ago,since then the lump has gotten way bigger n it feels like its reaching my nipples and i can even see it when i look in the mirro,but the way i kinda see it its like if it is something dangerous i would have gotten sick by now right but im fine just that the lump is still here n its getting bigger,should i b concern n go for a third opinion or has someone been through this n know what it is?im confused!