I have one tonsil inflated?

Recently I just found out tht 1 tonsil ( my right, your left) is inflated. There's no discoloration or infection. Its jus slightly red. I hvn't had many problems yet like swallowing, headaches, or anything else tht I read. But I currently have noinsurance to get checkd. What cud happen if I dn't and what would you think it cud be? Tonsillitis? Cancer? Lymphoma ?