Thyroid nodule

Thyroid nodules are lumps that appear in the thyroid tissue due to abnormal proliferation of thyroid cells. Some nodules are solid, while others are filled with fluid. Thyroid nodules are very common, and most are not serious and do not cause any symptoms. It is rare for thyroid nodules to progress to thyroid cancer. Common Questions Q: Is there a high probability that a thyroid nodule is cancerous? A: Only 5% to 15% of thyroid nodules are malignant, i.e., thyroid cancer.