Clinical Oncology, the American Cancer Society's textbook of cancer, was conceived and produced as a source of information on the wide range of issues in cancer. It offers practical and immediate information and clinical approaches and serves as a bridge to more specialised and comprehensive textbooks and the literature. Although it is directed primarily to generalists in the health professions, it also will serve as a ready resource for those with special interest in oncology. Incorporated elements from our Textbook of Clinical Oncology, second edition and our Cancer manual, ninth edition which was developed by the American Cancer Society Massachusetts Division. The production of a CD-Rom version of this text, has given us the opportunity to enhance with colour art and graphics the presentation of some subjects, which was not possible using a print medium alone. This new text places an emphasis on directing the reader to reliable electronic databases, where the next step in inquiry can be taken. Increasing importance is placed on our new knowledge of genetics and other biological factors and their use as a guide to prognosis and selection of treatment.
