Figure 3From: Clinical target volume delineation including elective nodal irradiation in preoperative and definitive radiotherapy of pancreatic cancerCTV delineation in the treatment of the head and the body pancreas adenocarcinoma. Transverse CT slices through high risk lymph node regions of the head (a) and body/tail (b) pancreatic cancer from cranial to caudal direction. CTV was formed by the union of the identified lymph node areas (blue area).Back to article page