I have the same exact thing- and I've wondered that myself. I have no idea... Some lumps may be lymph nodes, but it sounds like we're both feeling something other than lymph nodes.
If you ever figure it out, let me know. I'd hazard a guess that it's not cancer, though.
As always- None of my statements are evaluated by the FDA.
My advice is not intended to diagnose, treat, cure or prevent any diseases unless prescribed by a health practitioner. All information is provided for educational purposes only and should not replace the advice of your medical doctor.
(but your medical doctor will probably end up killing you