Figure 4From: Variations in societal characteristics of spatial disease clusters: examples of colon, lung and breast cancer in JapanSMR and mortality clusters for breast cancer. Municipal standardized mortality ratio (SMR) (a) and mapping of mortality clusters (MC) (b) with higher mortality rates from female breast cancer. The clusters were identified by the spatial scan statistic. N = number of municipalities belonging to each cluster. RR = relative risk.Back to article page