Cancer (1) has spread to any of the following: bone at the back of the maxillary sinus, tissues under the skin, the eye socket, the base of the skull, and/or the ethmoid sinuses; or (2) has spread to one lymph node on the same side of the neck as the cancer and the lymph node is 3 centimeters or smaller. Cancer has also spread to any of the following: the lining of the maxillary sinus, bones around the maxillary sinus (including the roof of the mouth and the nose), tissues under the skin, the eye socket, the base of the skull, and/or the ethmoid sinuses.