Last year I had a mammogram and because of the density of my left breast I had to have a sonogram and a spot compression, all came back normal. This past week I received the results of this years mammogram and the same thing. The doctor who read the mammogram wants me to come back for a spot compression. I asked why since I had both last year, I was told the doctor is very cautious and he can't see a particular area...same as last year. I don't know if I want to go back for a spot compression because I'm concerned of the exposure to the rays of the machine twice as year, as it's turning out and shouldn't he be able to compare last years to this years mammogram? Is it uncommon for women with dense breasts to just have the spot compression to begin with? Thank you for your time....KAREN D