CONFLICT OF INTEREST STATEMENT
The authors certify that all conflicts of interest, including specific financial interests and relationships and affiliations relevant to the subject matter or materials discussed in the manuscript (e.g., employment/ affiliation, grants or funding, consultancies, honoraria, stock ownership or options, expert testimony, royalties, or patents filed, received, or pending), are the following: Dr. Murphy was a paid consultant for Exact Sciences, the prior manufacturer of the Oncotype DX GPS assay, to aid in reformatting their assay report. This was after the study was completed with enrollment and before drafting this manuscript.