Radiotherapy induced dermatitis is a strong predictor for late fibrosis in head and neck cancer. The development of a predictive model for late fibrosis

A model for the prediction of fibrosis RTOG2-4 following R(C)T for head and neck cancer is presented with an AUC of 0.92. Interestingly, radiodermatitis grade ⩾ 3 at the end of R(C)T is associated with RTOG2-4 fibrosis at 6 months.