Vinod Vijay Subhash, PhD, Children’s Cancer Institute, Sydney, Australia, gives an overview of his presentation at AACR 2021 on DNA minimal residual disease (MRD) markers in pediatric solid tumors using quantitative real-time PCR (qPCR) and droplet digital PCR (ddPCR). The study demonstrated that DNA MRD markers have high sensitivity in qPCR and ddPCR assays. This interview took place at the virtual American Association for Cancer Research (AACR) Annual Meeting 2021.