TNFRSF13B and cancer: Significant populations of cancer cells from HCL-v Patients 030, 058, 131, 154, and 195 expressed BAFF-R (68.30%, 51.1%, 77.8%, 10.0%, and 63.0%) and TACI (43.8%, 39.7%, 75.2%, 13.6%, and 5.6%), respectively, per flow dot plots (Figure 1A).