MARLBOROUGH, Mass.--(BUSINESS WIRE)--Cytyc Corporation (Nasdaq: CYTC) today announced that it will not increase its A$3.25 cash per share tender offer to acquire Vision Systems Limited (ASX: VSL). Its unconditional A$3.25 cash offer remains open for Vision Systems shareholders to accept and shareholders who do accept the offer will receive cash for their securities within five days of accepting Cytyc's offer.
