Sinuses are air-filled sacs (empty spaces) on either side of the nasal cavity that filter and clean the air breathed through the nose and lighten the bones of the skull. There are four paired ...

T1 means the tumour is only in one part of the nasal cavity, but it may have grown into the bones of the nasal cavity. T2 means the tumour has grown into other parts of the nasal cavity, or into both ...

The esophagus and pharynx have been opened to show the connections of the nasal ... occipital bone. The formation of the face, the palate, and the superior structures of the oral cavity are ...

Cancer in the nasal cavity can also affect your sense of smell. Paranasal means around or near your nose. Sinuses are spaces or small tunnels. Paranasal sinuses are small, air filled spaces within the ...