Hi I have had breast cancer just over five year's a go but since then all down my left side where I had a lump in my breast and also in my left armpit I have had swelling in my arm and left leg and foot but not on the right side and also my rjbs have thickened on the right side and i have been told it is because of the radotherpy I had and I'd had a bad reaction to it but why am I still feeling very tender on my ribs and upper arm pit