In 2006 Willis-Knighton introduced digital mammography at each of its Breast Centers. The addition of the Hologic® Selenia™ digital mammography system is another in a continuing line of technological advancements offered by Willis-Knighton.. Willis-Knighton also offers advanced diagnostics for breast disease. Breast MRI is available at Willis-Knighton South & the Center for Women's Health and at WK Bossier Health Center.