A Biopsy take no more than 5-10 minutes and they only take a very very small piece,you won't even notice it ... if you don't do the biopsy you will be anxious all the time and you'll never be able to live a normal life
the majority of biopsy come back negatif for cancer
If I was you, i would see an ent,schedule a biopsy and get the result within some days