ON THIS PAGE: You will find a basic drawing of the nasal cavity and paranasal sinuses. To see other pages, use the menu.
For medical illustrations showing the different stages of nasal cavity and paranasal sinus cancer, please visit the Stages and Grades  section.
The next section in this guide is Risk Factors and Prevention . It explains what factors may increase the chance of developing these cancers and what people can do to lower their risk. Or, use the menu to choose another section to continue reading this guide.