Important strides have been made in clinical oncology by identifying the basic principles underlying successful therapy and applying them more broadly. With this effort has come the realization that different malignant diseases may have their own special requirements for diagnosis and staging, the evaluation of patient prognosis, the development of optimal therapy, and the appraisal of long-term sequelae. During the past year, established methodology has been refined and new innovative approaches developed in each of these areas.
Cancer Diagnosis and Staging
A number of radiological procedures of established value now are generally available. Each has its own specific advantage. Computed tomography (CT) has more than justified the expense involved and is particularly valuable in evaluating brain, head and neck, gastric, and endometrial cancer, and tumors in certain pathological categories, such as liposarcomas.1 In addition, more attention is now being given to the use of CT attenuation values and dynamic