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Does the National Cancer Registry investigate claims of cancer clusters in certain areas?
Increasingly, people are becoming worried about the possible existence of cancer clusters. The Registry takes such claims very seriously, but must be extremely careful examining the results.
Because it is so difficult to tell a true cancer cluster from a random number of cases which appears to be a cluster, we have a protocol for investigating which cancer clusters might be worth investigating more fully. Often, studying much larger groups of people will shed more light on the causes of cancer than studying isolated clusters based on a small area.
For more information on cancer clusters, please view our question on cancer clusters.