- substernal goiter
- a goiter in which a portion is beneath the sternum.
Medical dictionary. 2011.
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goiter — A chronic enlargement of the thyroid gland, not due to a neoplasm, occurring endemically in certain localities, especially regions where glaciation occurred and the soil is low in iodine, and sporadically elsewhere. SYN: struma (1). [Fr. from L.… … Medical dictionary