Get thyroid checked: Your question does not provide enough information. You need to see an endocrinologist who does thyroid ultrasound and needle biopsy. A solitary "cold" nodule of 5 cm may be worrisome, but a cyst would be less so, same with a "hot nodule". The whole thyroid needs to be assessed.
Answered 3/24/2018
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3 doctors weighed in across 2 answers
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