The European Week Against Cancer (EWAC) is a set of 7 days each year, from 25 to 31 May, to encourage all of Europe to use this time period to increase communication on issues about cancer and is concluded by the World No Tobacco Day on 31 May. During EWAC cancer charities, European policy-makes and general public engage in various activities connected to awareness raising about cancer prevention, access to treatment and support for patients and cancer survivors.