China Anti-Cancer Association (CACA) is the only national first-class oncology society registered by People's Republic of China (PRC) China Association for Science and Technology and the Ministry of Civil Affairs, with independent legal personality. It is the governing unit and one of the seven executive directors of the Asian Alliance of Anti-Cancer Organizations (APFOCC), a full member of the International Alliance for Cancer Control (UICC), and has established good cooperative partnerships with ASCO, AACR and ACS in the United States.