Welcome to the University of Wisconsin Colleges Against Cancer Website! CAC is an official student organization at UW-Madison and is sponsored by the American Cancer Society. Like ACS, CAC is committed to finding a cure to this deadly disease and assisting those whose lives it has affected including survivors, family, and friends. CAC meets monthly (check Calendar for exact dates), generally the second Wednesday of the month, in Memorial Union. If you are interested in joining CAC, please visit the Contact page.