What is your planning approach for SBRT when the tumor abuts the great vessels such as aortic arch or SVC?
Do you modify your volumes? What dose constraints do you use? How would you determine your dose/fraction regimen?
Answer from: Radiation Oncologist at Academic Institution
I think there are several reasonable approaches here. The first part is whether this is curative intent (early stage) vs non-curative but for local control (i.e. oligometastastic/oligoprogression). I lean towards being more aggressive in the curative intent setting while trying to be a little more c...
Comments
Radiation Oncologist at University of Pennsylvania Health System Good question! I have not yet seen a complication ...
Radiation Oncologist at Montefiore Einstein Comprehensive Cancer Center For larger tumors, I often prescribe 12 Gy x 5 but...
Answer from: Radiation Oncologist at Academic Institution
I agree with @Dr. Bradley above. 10Gy x 5, but am not running the center of the lesion much hotter, instead keeping the whole ptv and gtv less than 105% or so.
Good question! I have not yet seen a complication ...
For larger tumors, I often prescribe 12 Gy x 5 but...