Lymph node: That is probably a small lymph node. We have them all over our bodies, and there are especially a lot around the head and neck. It helped you clear out an infection years ago, and just stayed a little larger. Also, there is a salivary gland that wraps under the jaw on each side, and you may be feeling the duct from that gland. No worries.
Answered 4/12/2016
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