Radiotherapy Planning for Esophageal Cancers Parag Sanghvi, MD, MSPH 9/12/07 Esophageal Cancer Tumor Board

MLC & Varian Trilogy

Target Organ-at-risk Courtesy of M. Fuss

3D-CRT Courtesy of M. Fuss

IMRT A highly simplified graphic Courtesy of M. Fuss

IMRT These pencil beams “see” only the target No organ-at-risk radiation exposure High reward no/low penalty Courtesy of M. Fuss

IMRT These pencil beams “see” more target than organ-at-risk Reward and penalty Courtesy of M. Fuss

IMRT This pencil beams “sees” less target than organ-at-risk Low reward/high penalty Courtesy of M. Fuss

IMRT Courtesy of M. Fuss

IMRT Courtesy of M. Fuss

3D-CRT IMRT Improved tumor conformal dose planning and superior normal tissue sparing Courtesy of M. Fuss

IMRT in Esophageal Cancer

3 D vs. IMRT

IMRT