ESTRO IG and Adaptive
Course Parikh 25.10.2016
Pancreatic Cancer OARs move day by day
5 patients with daily
MR
18-25 images per
patient
A motivated medical
student recontoured
each one and
assessed margin to
encompass 95% of
voxels
cm
Patient 1 Patient 2 Patient 3 Patient 4 Patient 5 Average
Stomach
1.8
0.9
1.5
1.8
1.5
1.5
Duodenum
0.6
0.9
0.9
0.9
0.9
0.8
Small int
1.8
0.9
1.5
1.8
2.7
1.7
Colon
1.2
3.6
2.7
1.2
0
1.7