M.T.
I agree with the other mom about cabbage leaves, it helped me. Get yourself a nice big head of cabbage, peel off the leaves and roll over the leaf with a rolling pin or something just to break the veins and let the juice seep out. Put it in your bra against your breast and change when the leaf is limp and no longer has juice. Sage tea is supposed to work really well as well. God bless on your surgery. I have had 2 lumps removed myself when I was in Jr. High!
Good luck!
M.
P.S. I have heard that all the wonderful things breast milk does for babies has been done by 6 months, so you've done great!