NEW : It will be at least five years before it is on the market , doctor says . Veridex launched the first commercial test using circulating tumor cell technology in 2004 , the company said . Johnson and Johnson and Massachusetts General Hospital have teamed up . The test can be used as a diagnostic tool and in therapy .
NEW : It will be at least five years before it is on the market , doctor says . Johnson and Johnson and Massachusetts General Hospital have teamed up . The test can be used as a diagnostic tool and in therapy .