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

2. MLC & Varian Trilogy

3. Target Organ-at-risk Courtesy of M. Fuss

4. 3D-CRT Courtesy of M. Fuss

5. IMRT A highly simplified graphic Courtesy of M. Fuss

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

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

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

9. IMRT Courtesy of M. Fuss

10. IMRT Courtesy of M. Fuss

11. 3D-CRT IMRT Improved tumor conformal dose planning and superior normal tissue sparing Courtesy of M. Fuss

12. IMRT in Esophageal Cancer

13. 3 D vs. IMRT

14. IMRT