Cancer Mortality and Long-Term Environmental Exposure of Cadmium in Contaminated Community Based on a Third Retrospective Cause of Death Investigation of Residents Living in the Guangdong Province from 2004 to 2005.

Although the statistical power was restricted by the small number of cancer deaths, an increasing trend of cancer mortality was found from the LEG to HEG in all cancers, esophageal cancer, stomach cancer, liver cancer, and lung cancer, and the trend was more obvious in the older age group, in which cancer mortality was standardized by age and sex (Fig. 2 ).

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