Fig. 1

Analysis of the association between post-radiation sinusitis and a: overall survival (OS), b: disease-free survival (DFS), c: freedom from local failure (FFLF), and d: freedom from distant failure (FFDF)
Analysis of the association between post-radiation sinusitis and a: overall survival (OS), b: disease-free survival (DFS), c: freedom from local failure (FFLF), and d: freedom from distant failure (FFDF)