Conformal radiation therapy represents a new challenge. It offers the prospect of either increasing the radiation dose to target tissues while delivering a similar dose to organs at risk, or reducing the dose to organs at risk while maintaining the dose to target tissues. First, lymph node areas at risk are established using the available data from pathological examination. Then, based on a three-dimensional description of the anatomical regions, guidelines for the delineation of the clinical target volumes are proposed. The data presented should enable the reader to make appropriate decisions regarding the selection and delineation of the target volumes when confronted with the most frequent tumor types and sites.
V. Gregoire, P. Scalliet and K.K. AngLymphatic System; E.E. Coche, T. Duprez, and M. Lonneux: Imaging the Lymph Nodes: CT, MRI, and PET; V. Gregoire, E.E. Coche, G. Cosnard et al.: Selection and Delineation of Lymph Node Target Volumes in Head and Neck Conformal and Intensity Modulated Radiation Therapy; P. van Houtte et al.: Lung Tumors; K. Haustermans et al.: Oesophageal Tumors; I.C. Kiricuta: Target Volume Selection and Delineation in Breast Cancer Conformal Radiotherapy; P. Scalliet and B. Tombal: Prostate Tumors; M. Gospodarowicz et al.: Bladder Tumors; K.S. Clifford Chao, M. Cengiz, and T. Herzog: Gynecologic Tumors; L.L. Gunderson et al.: Rectal and Anal Cancers in Conformal Radiotherapy Planning: Selection and Delineation of Lymph Node Areas Tumors; B. O'Sullivan et al.: Sarcoma; A. Bosly: Hodgkin and Non-Hodgkin Lymphomas; K. K. Ang et al.: Melanoma and Skin Tumors; Subject Index; List of Contributors.