Nolvadex is not strong enough to battle that amount of estrogen, you need an aromatise inhibitor.
If you have a lump already
at this point id ...
Order Letrozole or Aromasin, drop the Nolvadex once they arrive..
Letro 1.25mg/ed week 1
Letro 1.25-2.5mg/ed week 2-4 or until gyno subsides
Letro .75mg/ed week 4-5
Nolvadex 20mg-40/ed week 5-6,7
Or you can try this if your afraid of estrogen depletion.
Aromasin 12.5mg/ed week 1
Aromasin 25mg/ed week 2-4 or until gone
Aromasin 12.5mg/eod week 5
Nolvadex 20mg/ed week 6-7