Could be a sign of past or current inflamatory processes;
may need to have antibodies checked.
Such picture is not uncommon among the old-aged people
That's a similar description to what a thyroid being attacked by antibodies will look like.
Swelled or enlarged and not normal looking is what it means in plain English. Most hypos have that with a nodule or two.
Note: many people with out thyroid problems have non cancerous nodules on their thyroid gland, but feel well.