When the tissues in the thyroid gland start to grow it forms nodules. When these nodules develop there is a chance of cancer malignancy.
Thyroid nodules are of various types like colloid nodules, inflammatory nodules, cysts, etc.
Only large nodules are visible and there will be no typical warning signs.
Sometimes there may be swelling in the neck, difficulty in swallowing, hoarseness, etc.
If you observe any such symptom consult a doctor.
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