D2I2.
common⚑ High burden in India

Thyroid nodule

are nodules which commonly arise within an otherwise normal thyroid gland. They may be hyperplastic or tumorous, but only a small percentage of thyroid are . Small, nodules are common, and often go unnoticed. Nodules that grow larger or produce symptoms may eventually need medical care. A goitre may have one nodule – uninodular, multiple nodules – multinodular, or be .

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Plain-language summary adapted from Wikipedia. Not medical advice.