I won't bore you with the details of how I found this in the first place but if you were to put your fingers down your throat (not a great idea, I know) probably as far as you can reach, should you be able to feel anything? I can feel something that feels a bit "bumpy" for want of a better description and wasn't sure if this was normal and google isn't particularly helpful either. Does anyone know? Should I be worried or have I been panicking for no reason?