It is generally recommended to see a general surgeon, or an endocrinologist, as thyroid cysts are usually benign tumors that essentially remain stable in nature. Surgery is only considered when the cyst becomes very large and causes compressive symptoms, such as compressing the trachea leading to breathing difficulties, or compressing the esophagus causing difficulty swallowing. In such cases, you should consult a general surgeon. For a typical thyroid cyst, it is necessary to check thyroid function to ensure it is normal and to regularly review with ultrasound to monitor any changes in the cyst. If there is a sudden increase in size or significant compressive symptoms, it is advisable to seek surgical treatment from a surgeon.