Could the lipoma on ribs that regrew in less than a year be more than a simple lipoma?

What are your thoughts! I was wondering if this was more than a simple lipoma. Last year I had a lipoma removed from under my breast where my ribs are. Well the surgeon told me back than that it was bigger than he thought. (Doesn't give me much to go on) now about 2 weeks away from a year of the surgery i went to my pcp because its not only back but its just as big. And it's not a small lump it's is almost the length of a banana and the width is the same, and tender to touch.