Nasal sinuses are empty spaces in the bones of your skull, located behind and around your nose. They help to keep the air you breathe moist and filter out any dust or particles before they enter your lungs. Full definition
Dogs have a higher risk of nasal sinus cancer and lung cancer when exposed to secondhand smoke. (littlebigcat.com)
In litigation, plaintiffs have claimed that formaldehyde is associated with nasal sinus cancer, nasopharyngeal cancer, and on occasion, leukemia. (thompsonhine.com)
Some of the day care treatments are radiotherapy, chemotherapy, incision of the prostrate, incision of the cornea, nasal sinus aspiration etc.. (policybazaar.com)