The thyroidectomy flap has been raised and the strap muscles retracted bilaterally to uncover the thyroid gland. A large nodule is bulging out of the right lobe. The isthmus and left lobe are also visible.
Check out this Cartoon on how your thyroid works. Thyroid issues can get complicated, so this might help explain a little bit better what dotors do not explain to their patients. Check out that T-shirt here: