How would you approach radiation in a patient with IIIC2 SCC of the cervix with a history of ileoanal reanastomosis and j pouch?  

Depends a bit on the specifics of the case (e.g. how big is the cervix?), but in general, I would limit the pelvic dose to around 40 Gy and push the brachytherapy dose a bit higher. For the brachytherapy, the use of image guidance potentially provides an opportunity for further limiting the dose to ...