Figure 3From: Geographical clustering of lung cancer in the province of Lecce, Italy: 1992–2001Standardized lung cancer mortality rates for the province of Lecce in the triennial 1991–01, compared with the standardized rates of some European aggregates. The direct method applied to the European standard population was used for the standardization. Countries that appear in this graph are, respectively, those who have registered the three highest and the three lowest standardized rates in 2006.Back to article page