A test vial of the investigational product used in this patient was thawed and tumor-primed NK cells were pre-incubated at an effector:target ratio of 10:1 in vitro with CD34+ donor cells for 4 hours and then the co-culture was resuspended in Methocult and cultured for a further 14 days before analysis of the colony formation. The gene discussed is CD34; the disease is neoplasm.