cancers are not broad, yes the areas of the human body they affect..yes that is broad.. Mark was reacting to this: http://www.ncbi.nlm.nih.gov/pmc/articles/PM

cancers are not broad, yes the areas of the human body they affect..yes that is broad.. Mark was reacting to this: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1994798/ http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1994798/