The Chronicle’s Todd Ackerman reports that the University of Texas M.D. Anderson Cancer Center has received a $20 million donation from Lowry and Peggy Mays as the cancer center continues raising funds for its 116 acre research park under development about a mile and a half south from the main M.D. Anderson hospital complex in Houston’s Texas Medical Center. The Mays gift to M.D. Anderson comes on the heels of an earlier $30 million gift from the Red McCombs family. Mr. Mays built San Antonio-based Clear Channel Communications into the largest radio station company in the U.S.