<unk> s are<unk> s (raised areas of tissue or fluid) which commonly arise within an otherwise normal thyroid gland. They may be hyperplastic or tumorous, but only a small percentage of thyroid tumors are malignant. Small, asymptomatic<unk> s are common, and often go unnoticed.<unk> s that grow larger or produce symptoms may eventually need medical care. A goitre may have one<unk>  – uninodular, multiple<unk> s – multinodular, or be diffuse.
Thyroid nodule
Thyroid cancer
Thyroid adenoma
Thyroid neoplasm
Thyroid lymphoma
Papillary thyroid cancer
Thymoma
Medullary thyroid cancer