It is possible that this could be due to a fungus in the toe. If the difference is only slight, then you need not worry. This is because it is possible for one side of the body to be bigger than the other side. The history of your tooth abcess makes me want to recommend you for regular heart examinations. This is because regular heart exams will go a great way to prevent any heart disease
is treated with iron, so please get lots of that. In summing, I believe that your doctor is right in saying that it is just fat. For the fungal infection
though, please meet a dermatologist
who will be able to treat it. I hope this helps.