10 of the 12 hMAM positive blood samples (83%) were also positive when analyzed using the six gene panel, and 52% of the recurrent breast cancer blood samples were solely identified by CCNE2, DKFZp762E1312, EMP2, MAL2, PPIC, or SLC6A8. Similarly, the six gene panel identified all of the EpCAM positive blood samples. The gene discussed is SLC6A8; the disease is breast cancer.