Conditional and Overall Disease-Specific Survival in Patients With Paranasal Sinus and Nasal Cavity Cancer: Improved Outcomes in the Endoscopic Era.

For paranasal sinus and nasal cavity malignancies, year of diagnosis independently influences both DSS and CDSS. Improved survival is likely due to advances in both surgical and adjuvant treatments. To our knowledge, this study is the first to examine CDSS for these malignancies.