The nasal cavity (or nasal fossa) is a large air-filled space above and behind the nose in the middle of the face.

ACS: What Are Nasal Cavity and Paranasal Sinus Cancers? - Description of the types of cancet that can arise in the nasal and sinus cavities.
NCI: Paranasal Sinus and Nasal Cavity Cancer - Summary of disease, treatment options, stages, and reoccurence. Professional health version available.
Meta Description: [ Expert-reviewed information summary about the treatment of paranasal sinus and nasal cavity cancer. ]
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