not trying to scare u but misdiagnosis is the reason why this kind of cancer is usually not found until its in the later stages.
with that said, the cancer normally isnt painful. andy had hearing loss, not pain, and was misdiagnosed for over a year. finally, lumps in his neck were biopsied, and he was diagnosed.
but as kelly said, many come on here thinking the worst, and they are cancer free.
if u are still uneasy...definately get a second opinion.