ALISO VIEJO, Calif., Oct. 15, 2007 (PRIME NEWSWIRE) -- SenoRx, Inc. (Nasdaq:SENO) today announced that it held its second symposium on October 8, 2007 for Contura(tm), its Multi-Lumen Balloon (MLB) Catheter, at the Annual Congress of the American College of Surgeons in New Orleans, Louisiana.