Your pap smars have been normal.
Your gyn did not appreciate sany concerning swelling.
Now, this can be simply an inclusion cyst deep under the 'skin'.
This is benign condition & does not cause ny trouble.
Sometimes, it may get inflammed & painful, which requires removal.Otherwise, just keep a close eyeon this & if it gets bigger it will be more palpable & hence may need to be removed.
This can be a dermatofibroma, a benign condition, which can feel like a 'indentation' & firm as you described.