SAN ANTONIO, Texas, Dec. 24 -- The University of Texas Health Science Center at San Antonio issued the following news release: Renowned transplant surgeon and former UT System chancellor Francisco G. Cigarroa, M.D., has been appointed chairman of the Chronic Kidney Disease Task Force of the state of Texas. Also, Kumar Sharma, M.D., chief of the Division of Nephrology and vice chair of research in the Department of Medicine at UT Health San Antonio, was named a member of the task force. Texas  more PR