For the statistics of various sections:
Canadian Cancer Statistics 2011
Statistics Canada
Public Health Agency of Canada

History of cancer research section
Landmarks in Cancer Research, American Association for Cancer Research.

Cancer section
Intelligent Patient Guide to Breast Cancer. 2006. Olivotto I, Gelmon K, McCready D, Pritchard K, Kuusk U. 4th ed. Edwards C, editor. Vancouver (BC).
Websites of the following organizations:
American Association for Cancer Research
American Cancer Society
National Cancer Institute, Cancer Topics
Vascular Disease Foundation from Colorado