Hi ambra I had a similar bump that moved with the skin it turned out to be a blackhead (zit) after rads the skin is tougher and doesn't let them pop mine lasted two months before I finally was able to pop it lol had to pull out blackhead with tweezers lol hopefully that is what you have my lymph node wouldn't move with skin was deeper part of muscle...
good luck ken

46 yr old non smoker moderate drinker
Lump on neck
Dx branchial cyst by fna mar 2012
Op to remove dec2012 biopsy back hpv 16 scc
Starting rads jan 31 no chemo docs say?
Finished mar13
Pet scan june 30 NED :)))
Back to work and enjoying life
Checkup aug 12 all good