Lower GI 2016

Conclusions

Anal cancer RT-CT

highly toxic

•

Dose, volume

–

– Numerous OAR (GI, GU, BM, skin-genitalia)

IMRT

standard to decrease toxicity

•

• Not defined constraints for BM, skin, genitalia

Delineation of OAR

fundamental

•

• BT boost questionable when increased OTT