Data are from 178 cells how to take nolvadex pct The largest prospective series that compares long term outcomes of patients receiving prosthetic breast reconstructions with PMRT to the expander versus those receiving radiation to the permanent implant demonstrates that reconstructions undergoing radiation therapy to the tissue expander before exchange to the permanent implant have doubled the 6 year predicted failure rate 32 of those receiving radiation after placement of the permanent implant 16