question: I am a breast cancer survivor 1yr cancer free, lypmnodes removed with cancer under arm, now I have several small hard lumps in my inner upper arm, the same side where lypmnodes were removed, saw fp dr today and she is ordering a ultrasound of the lymph modes, she made no comment one way or the other, later I ran into my oncologists nurse, and she felt the largest lump and said what ever it is , is in the vein, opinion please