At Mays Cancer Center at UT Health San Antonio, we are revolutionizing cancer care through breakthrough research, cutting-edge treatments and a deep commitment to saving lives. Our work doesn’t stop in the lab—we bring discoveries to the patient’s bedside, ensuring the latest advancements in cancer care are accessible to those who need them most. With a multidisciplinary team of experts, we provide best-in-class therapies, giving patients and their families hope, healing and life-changing support every step of the way.

As the only National Cancer Institute (NCI)-designated Cancer Center in South Texas, the Mays Cancer Center serves a vast 38-county region with over 5 million residents. Our team of more than 300 cancer researchers and clinicians is dedicated to transforming the way cancer is diagnosed, treated and prevented—not just in San Antonio and South Texas, but worldwide.

Our 175+ active clinical trials offer patients groundbreaking new treatment options.

Pioneering Pediatric Cancer Research

The Greehey Children’s Cancer Research Institute at UT Health San Antonio is one of only two institutes in the U.S. exclusively dedicated to pediatric cancer research. Home to more than a dozen laboratories, the institute is at the forefront of cancer genomics, DNA repair, RNA biology and drug development—all with the goal of creating safer, more effective and less toxic treatments for childhood cancers.

At UT Health San Antonio, we are more than a cancer center—we are a beacon of hope, a hub of innovation and a leader in the fight against cancer.

Join us in the fight. Together, we are making a difference! 

Only National Cancer Institute-designated cancer center in South Texas

300+ cancer researchers and clinicians

World-renowned Breast Cancer Symposium

In The News

two scientists work in a research lab.

BRCA1 and BRCA2 are genes that help protect the body by fixing damaged DNA and keeping cells healthy. When these genes have changes, or mutations, they don’t work the way they should. This can raise the risk of certain cancers, like breast, ovarian, prostate and pancreatic cancer. These inherited mutations affect about 1 in every 200 to 300 people — over a million in the U.S. alone.

UT Health News

Researchers at The University of Texas Health Science Center at San Antonio have discovered a way to delay or even block recurrence of the deadliest brain cancer after radiation, bringing new hope for survival.

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Maria E. Falzone, PhD, assistant professor in the Department of Biochemistry and Structural Biology in the Joe R. and Teresa Lozano Long School of Medicine at The University of Texas Health Science Center at San Antonio (UT Health San Antonio), has received a $150,000 UT Science and Technology Acquisition and Retention (STARs) award from the […]

Be Part of Our Mission

At UT Health San Antonio, we are pioneering the future of healthcare. Join us as we redefine medicine through our groundbreaking research by participating in clinical trials or contributing through giving. Together we can translate today’s innovative discoveries into tomorrow’s life-saving treatments.