Pulmonary embolism 'a chronic disease'

Thursday, November 5, 2009 | 12:01 a.m. CST; updated 2:48 p.m. CST, Thursday, November 5, 2009

 COLUMBIA — Pulmonary embolisms, the type of blood clotting that claimed the life of MU freshman Tracy Fisher three weeks ago, kill more people annually in the United States than breast cancer and AIDS combined.