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

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  While several types of cancer are declining across the United States, endometrial cancer is on the rise, especially in South Texas. Endometrial cancer is the most common gynecologic cancer in the United States. This type of cancer is often diagnosed early and is highly survivable, but both endometrial cancer incidence and mortality rates have […]

A child prepares to press their painted alongside other handprints.

Two young cancer survivors shared their stories as Hyundai Hope on Wheels awarded $500,000 to support pediatric cancer treatment and survivorship research at UT Health San Antonio.

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By Panneerdoss Subbarayalu, PhD This article was first published in the September 2026 issue of the Bexar County Medical Society’s San Antonio Medicine magazine. Osteosarcoma is an aggressive cancer that grows quickly, spreads early to the lungs, and has a remarkable ability to resist treatment. It is the most common primary bone cancer in children […]

Help Shape the Future

At UT San Antonio Health Science Center, 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.