Today I paid a visit to Dr. gr8 - just to make sure I understand the process of what's going on, who does what, etc... and to have him check out the lump in my arm and, another lump in my left breast - small enough for me to worry about being paranoid, big enough for me to actually get up the nerve to say something. So, now it looks like he'll be doing a biopsy on the left (yep - he felt it too), a lumpectomy on the right, and if the sentinel node isn't the one that is palpable (though odds seem good that it will be) - he'll be taking out two. I also found out some more info:

He doesn't do frozens since they don't seem to be reliable.

One mass was ER+/PR-/HER2 neu,

One mass was ER+/PR+/HER neu

Now I need to do more research....