Shortly after the lesion, the tumor gradually grew and the bone was destroyed. According to the direction of its expansion, it can show unique symptoms. When the tumor progresses inward, that is, to the nasal cavity, it often causes nasal congestion, runny nose with bloody pus and tears caused by lacrimal duct obstruction. When the tumor develops forward and laterally, cheek edema may occur. If you progress downward, you will have toothache and gum edema. In addition, when the tumor progresses upwards, the eyeball may protrude slightly because it is pushed, and the white eyeball under the eyeball becomes particularly conspicuous. When you progress backward, your nerves are compressed, and you will often have toothache and headache, and you can't even open your mouth.