General information about cancer and onkology

German Cancer Research Center (DKFZ)
The DKFZ offers numerous Information about cancer.
http://www.dkfz.de/index_e.htm

National Cancer Institute
Site for patients, public and mass media. A comprehensive site providing information on cancer topics for patients, the general public, health educators and communicators, and students and teachers.
http://cancernet.nci.nih.gov/