Swollen bump under jaw both sides same size for 2 years.

Otolaryngologist: Consult an Otolaryngologist or oral surgeon for diagnosis,treatment,advice and follow-up. These may be enlarged submandibular salivary glands usually caused by build-up of debris in the duct. Generally there is associated discomfort but with no pain, an autoimmune disease, Sjogren's syndrome, is.more likely. In this case you probably will be referred to a rheumatologist for more testing.