QUEENSBURY, N.Y.--(BUSINESS WIRE)--AngioDynamics (NASDAQ:ANGO) today highlighted results from a 10-year study showing actual 3-year and 5-year survival rates of 20.2% and 18.4%, respectively, in 234 patients that had undergone radiofrequency ablation (RFA) of colorectal hepatic metastases. The patients in this study were not candidates for surgery and had failed chemotherapy prior to receiving RFA; in the absence of treatment, these patients have 5-year survival rates near zero.