American Cancer Society
http://www.cancer.org/

American College of Radiation Oncology
http://www.acro.org/

Annals of Oncology. Official Journal of the European Society for Medical Oncology
http://kapis.www.wkap.nl/journalhome.htm/0923-7534/

Association of Cancer Online Resources
http://www.acor.org/

Atlas de Mortalidad en España
http://www2.uca.es/hospital/atlas/introdu.html/

BreastCancer.Net
http://www.breastcancer.net

Cancer Guide
http://cancerguide.org/

Cancer. Interdisciplinary International Journal of the American Cancer Society
http://www.interscience.wiley.com/canceronline/

Cancer News
http://www.cancernews.com/quickload.htm/

Cancer Track
http://www.nova.edu/~appu/cancertrack.htm/

CancerWeb
http://infoventures.com/cancer/

Federation of European Cancer Societies
http://www.fecs.be/

Fundación Para la Educación Pública y la Formación Oncológica Continuada (FEFOC)
http://www.fefoc.org/

Guide to Internet Resources for Cancer
http://www.ncl.ac.uk/~nchwww/guides/clinks1.htm/

International Agency for Research on Cancer
http://www.iarc.fr/

International Union Against Cancer
http://www.uicc.org/

Journal of Clinical Oncology
http://www.jco.org/

Lung Cancer
http://www.lungcancer.org/

Medscape. Hematology - Oncology
http://medscape.com/Home/Topics/oncology/oncology.html/

Melanomanet.com
http://www.melanomanet.com/

National Cancer Center
http://ww.ncc.go.jp/

National Cancer Institute de Estados Unidos.Cancer.gov
http://cancernet.nci.nih.gov/health.htm/

Oncoexplorer.com
http://oncoexplorer.com/

Sociedad Española de Oncología Médica
http://www.seom.org/

The International Journal of Cancer
http://journals.wiley.com/0020-7136/

Tumor Board.com
http://www.tumorboard.com/

Virtual Hospital. Lung Tumors. A Multidisciplinary Database
http://www.wh.org/providers/Textbooks/LungTumors/TitlePage.html/