May 23 (Reuters) - Sirtex Medical Ltd SRX.AX :
* SIRTEX RESPONSE TO VARIAN RELEASE ON CDH COMPETING BID
* BOARD CONSIDERING RELATIVE MERITS AND RISKS OF CDH PROPOSAL AND VARIAN MEDICAL SYSTEMS SCHEME
* AT THIS TIME, DIRECTORS OF CO CONTINUE TO UNANIMOUSLY SUPPORT & RECOMMEND VARIAN MEDICAL SYSTEMS, INC'S SCHEME