Hello and thanks for your question,
An ear nose and throat doctor will help you. This sounds like it's scar tissue from the wound but could be a cyst or something else.
an ENT is also called an otolaryngologist
Hope that helps and God Bless!
Dr. Robb
Keloid surgery is covered by most PPO insurance plans. I would suggest daily massage with Plato's Scar Serum followed by surgical excision. Best, Dr. KaramanoukianLos Angeles