<Li> UCLA Jonsson Comprehensive Cancer Center at the University of California, Los Angeles </Li> <Li> UC San Diego Moores Cancer Center at University of California, San Diego </Li> <Li> UCSF Helen Diller Family Comprehensive Cancer Center at the University of California, San Francisco </Li> <Li> UC Davis Comprehensive Cancer Center at the University of California, Davis (Sacramento) </Li>

How many cancer treatment centers are there in the us