Do not confuse this appearance with the other cases in this series showing multiple small cysts in a lesion.  Look carefully at cases  21888 and 21891 to understand the difference.

This is completely different. This lesion has a large solid component and the cysts are large. Note the loss of the "halo" posteriorly as indicated on the annotated second image.

FNA confirmed papillary carcinoma of the thyroid.