Ocular effects: proptosis, diplopia, epiphora (excessive tears)
Nasal effects (unilateral): obstruction, bloody nasal discharge/nosebleeds, crusting, pain, anosmia
Oral effects: loose teeth, ill-fitting dentures, palatal swelling
Facial effects: facial swelling, paraesthesia
Metastatic lymph nodes in neck
Retro-antral spread causing trismus or trigeminal neuralgia