Knoxville Hospital and Clinics 21st Century Rehab is holding an open house and ribbon cutting this afternoon. Katrina Nelson, Director of Public Relations at Knoxville Hospital and Clinics tells KNIA KRLS News that the ribbon cutting will be at 4, and the public is welcome from 5 to 6:30. Come meet the 21st Century Physical & Occupational Therapy staff, see the remodeled space, try out the new equipment and enjoy refreshments.