That could be a lipoma
, or a seborrhoeic cyst
or a cyst herniating outside from spinal chord. you may require an examination and x-ray neck to rule out the exact cause of that. First of all I need to exaine that online? areyou ready for Video conference over Skype???
then post it to me at firstname.lastname@example.org or my skype id is and send me an email.
I need a physical report and a picture of the same and it duration and consitancy.
Good luck pls answer my questions.