This guide is for patients who are receiving radiation therapy for cancer. It describes what to expect during therapy and offers suggestions for self-care during and after treatment. It explains the two most common types of radiation therapy, external radiation and internal radiation therapy. Information is included about the general effects of treatment and how to deal with specific side effects. The guide also includes: a glossary which defines all the words in bold print, which can help you understand more about your illness, and the roles of the people involved in your treatment. Illustrated.