What small bowel dose constraints do you use when treating with short course radiation for rectal cancer?

Topics: Radiation Oncology • Gastrointestinal Cancers

Do your constraints change when treating standard fields for T3 disease versus including external iliac lymph nodes for T4 disease when treating with 25 Gy in 5 fx?

Answer from: Radiation Oncologist at Academic Institution

In my experience, I have set a small bowel max of 25 Gy; sometimes allowing up to 27 Gy. This was out of an abundance of caution; our initial experience (1) was with 20 Gy/5 fractions and there was concern about increasing the radiation dose to 25 Gy. Also, we wanted to make sure that patients with ...

Comments

Radiation Oncologist at Brigham and Women's Hospital
I agree with @Parag J. Parikh. The early short cou...

Answer from: Radiation Oncologist at Academic Institution

None.

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