Body CT and oncologic imaging

The most commonly used imaging modality in patients with cancer is computed tomography (CT). Whether to evaluate primary tumor or metastases to the ne ck, chest, abdomen, or pelvis, oncologic body CT has become invaluable to m edical, gynecologic, and radiation oncologists. CT is the principal tool us ed to stage tumor, assess response, and guide radiation therapy. This revie w provides a discussion of how we optimize oncologic CT to best meet the ne eds of the patient with cancer.