Sometimes the tumour is in the wall that separates the two sides of the nasal cavity (the nasal septum). In these situations, the surgeon might need to remove part or all of the nasal septum.

Blood Supply to the Nasal Septum and Lateral Nasal Wall. The nasal cavity has a very rich blood supply. The lateral nasal wall, which is supplied primarily by the sphenopalatine artery, is often ...