You may be reading this because you or someone you care about has nasal cavity or sinus cancer. Learning more can help you get ready to talk with your healthcare provider and understand the next steps ...

A tumor is an abnormal mass of tissue that forms when cells grow and divide more than they should, or do not die when they should. Tumors may be benign ...

All cancers are tumors, but not all tumors are cancers. Tumors can either be benign (non-cancerous) or malignant (cancerous). The first type, that is benign tumours do not spread to other parts of the ...