ALISO VIEJO, Calif., May 12, 2008 (PRIME NEWSWIRE) -- SenoRx, Inc. (Nasdaq:SENO) today reported financial results for its first quarter ended March 31, 2008. Revenue for the quarter increased 38.7 percent to $10.7 million, compared with $7.7 million in the first quarter a year ago. Gross profit increased 59.3 percent to $6.6 million, or 62.1 percent of revenue, up from $4.2 million, or 54.1 percent of revenue, in the first quarter of 2007.