ESTRO course on Image Guided Radiotherapy in Clinical Practice 2018

Target Volumes

GTV: Tumor + involved nodes rectal exam, rigid proctoscopy, MRI, CT and/or PET CTV : Elective lymph nodes +/- ischiorectal fossa for low tumors Whole mesorectum Standard: perirectal nodes, internal iliac, superior rectal artery T4 – anterior structures = + external iliac T4 or gross anal canal = +inguinal ln and external iliac LN

Myerson, Kachnic 2009

ESTRO IG and Adaptive Course Parikh Budapest 2018

03/01/13