Based on the provided context, two types of nodules are: cystic nodules and inflammatory nodules.
Here's a breakdown of each:
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Cystic Nodules: These nodules are fluid-filled sacs and typically pose a low risk of being cancerous (malignant). They are usually monitored and only biopsied if they exceed 2 centimeters in size.
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Inflammatory Nodules: These nodules develop due to chronic inflammation of the thyroid gland. They may or may not be painful.
