AccuStem Sciences, Inc. operates as a life sciences company focusing on improving outcomes for patients with cancer. It develops StemPrintER technology, a multi-gene prognostic assay to predict the risk of recurrence of Endocrine receptor-positive /HER2- breast cancer; and Spare, a derivative of StemPrintER that combines StemPrintER with two clinical markers. The company is based in New York, New York.