CHATSWORTH, Calif.--(BUSINESS WIRE)--North American Scientific, Inc. (Nasdaq:NASI) today announced that it has entered into a new three-year distribution agreement with Carbon Medical Technologies, Inc. to sell gold and carbon markers used by radiation oncologists during prostate cancer procedures. “This new agreement with Carbon Medical marks another positive milestone in our strategy to profitably expand our core brachytherapy business,” said John B. Rush, President and Chief Executive Officer of North American Scientific. “We estimate that the sales opportunity for localization markers utilized by the radiation oncology community represents a $50 million market. Since the end-users of these products are customers that we know well and currently sell other products to, we believe we will be able to immediately access this market and achieve incremental sales per call-point.