the thyroid gland feels generally lumpy.
ii). And then, the single nodule/uninodular/Struma uninodosa.
George krucik (2005-2014) also notes that the types of Goiters are;
The colloid Goiter (endemic), that develops from lack of iodine, a mineral essential to the production of thyroid hormones. People that get this type of Goiter usually live in areas where iodine is scarce. That is, prevalent in developing countries.
Secondly, the non-toxic (sporadic), of which the cause of this, is usually unknown