Cervical esophageal cancer

 

This is a sample case. GTV: cervical esophagus

Prescribed dose  66 Gy

10MV photon

ICRU point is esophageal wall at Th1-2 level. (Not center of PTV !)

 4MV photon

ICRU point is esophageal wall at Th1-2 level. (Not center of PTV !)

 

 4MV photon without MLC plan

ICRU point is esophageal wall at Th1-2 level. (Not center of PTV !)