160325-N-DJ347-010 PORTSMOUTH, Va. (March 25, 2016) Hospitalman Sara Ellis, a hemodialysis technician, monitors the dialysis machine of a patient in the Naval Medical Center Portsmouth Nephrology Clinic. The clinic offers a variety of services to its patients including the monitoring of blood pressure and kidney functions, a urinalysis lab, infusion and anemia clinics, transplant work-ups, post-transplant care and dialysis. (U.S. Navy photo by Mass Communication Specialist 1st Class Gary L. Johnson III/Released)