Bladder cancer is more aggressive and advanced in South Texas, study shows Bladder cancer is more aggressive and more advanced in South Texas residents than in many parts of the country, a study by the Mays Cancer Center, home to UT Health San Antonio MD Anderson, indicates. The disease is also deadlier in Latinos and women, regardless of where they live nationwide, according to the research. The team from The University of Texas Health Science Center at San Antonio (UT Health San Antonio), which includes the Mays Cancer Center, compared bladder cancer cases in the Texas Cancer Registry with cases in the Surveillance, Epidemiology and End Results (SEER) Program. SEER, which collects data on cancer cases from various locations and sources across the U.S., does not include Texas statistics.