Center for Oncology in Pediatrics Foundation (COP) is a philanthropic funding source for the Centro Oncólogico Pediátrico de Baja California, A. C., one of only two Specialized Pediatric Cancer Treatment Centers located in Mexico.

One of the most important achievements of COP and Castro-Limón Foundation has been to inaugurate in 2007 its own hospital specialized in Pediatric Oncology, with the best team of Medical Professionals, Nurses, Nutritionists and Psychologists to be able to offer Comprehensive Treatment with the firm commitment to serve those who need it most, girls, boys and adolescents with cancer.