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stage IVC nasal cavity and ethmoid sinus cancer (...NAY-zul KA-vih-tee…ETH-moyd SY-nus KAN-ser)
Stage IV nasal cavity and ethmoid sinus cancer is divided into stages IVA, IVB, and IVC. In stage IVC, cancer may be found anywhere in or near the nasal cavity and ethmoid sinus, may have spread to lymph nodes, and has spread to organs far away from the nasal cavity and ethmoid sinus, such as the lungs.