Arimidex... 1mg a day will help...
If you have small lumps than letrozole is a better option slowly tapering down the dosage n then hopping on arimidex to help keep test from converting into estrogen...
Start at 2.5mg eod until it is gone, then, 2.5mg e3d, then e4d, then cut the dose to 1.25mg e4d x2 then start arimidex at 1mg eod.... This should keep u from gyno rebound