Lab Tests Online is an Australian 'Quality use of Pathology' initiative (not only for cancer) (Example: Select Conditions & Diseases 'Prostate Cancer')
MyBiopsy by the College of American Pathologists has information about cancer tests.
Cancer World Media Resources links to sites that may be useful aids for understanding medical terminology and for definitions. The Cancer Media Service (CMS) is a resource for journalists operated by the European School of Oncology (ESO). The CMS aims to improve the quality of cancer journalism by helping to put news about cancer in context and explaining the science behind the stories.