Dr. Douglas Antczak, Cornell University, College of Veterinary Medicine (image) Cornell University, College of Veterinary Medicine Share Print E-Mail Caption Dr. Douglas Antczak with Cayenne, who is not afflicted with sarcoid tumors. Dr. Antczak's work has revealed that a horse's genetic makeup influences whether or not they develop sarcoid tumors. Credit Rachel Phillipson Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.