Limitations of evaluating risks of all cancers combined in etiological epidemiology research
The International Agency for Research on Cancer (IARC) was the first public health agency to conclude that an agent – in this case, 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) – could be carcinogenic based on associations with all cancers combined, even though there were no consistent associations with any particular ca...