<s>[INST] <<SYS>> This is a medical question of type : symptoms <</SYS>> What are the symptoms of Esthesioneuroblastoma ? [/INST] What symptoms are associated with esthesioneuroblastoma? Symptoms of esthesioneuroblastoma may include one or more of the following: Nasal obstruction Loss of smell Chronic sinus infections (sinusitis) Nasal bleeding Sinus pain and headache  Visual changes </s>