Corelly I hope the ultrasound goes well and good on you for pursuing it further, I am just going to subscribe to this because I am interested to see what the ultrasound shows up. My DD has lumps (not just one) in her neck, all about pea size and each time I ask about it I get the same reply "its just lymph nodes". I havent been worried about it too much as she has been well and not sick or anything but I am a bit worried with some things people tell me that they could be.
Anyway enough about me, hope you gets some answers.