Ann Marie,

There is a possibility that it could be fluid, an enlarged lymph node or even a swollen sublingual salivary gland. Good that you are going to have the ENT look at it.
Until you are sure what it is don't fill yourself with the fear of the worst.

Thinking and praying for you.

Mike

Dentist since 1995, 12 year Cancer Survivor, Father, Husband, Thankful to so many who supported me on my journey so far, and more than happy to comfort a friend.
Live, Laugh, Love & Learn.