Signs and symptoms
... Most often, you won''t have signs and symptoms in the early stages of thyroid cancer, but as the cancer grows, you may experience one or more of the following: A lump — sometimes growing rapidly...

Causes
... Your thyroid gland is composed of two lobes that resemble the wings of a butterfly separated by a thin section of tissue called the isthmus. The thyroid takes up iodine from the food you eat and uses ...

Risk factors
... Although the exact cause of many cases of thyroid cancer isn''t known, certain factors increase your risk: Exposure to radiation. This includes radiation you may have received as a treatment for acne ...

When to seek medical advice
... See your doctor if you develop any of the symptoms of thyroid cancer, including a lump in your neck near your Adam''s apple, hoarseness, or trouble swallowing or breathing. And don''t hesitate to talk...

Screening and diagnosis
... Although you may see or feel a lump (nodule) in your thyroid yourself — usually just to the lower right or left of your Adam''s apple — it''s more likely that your doctor will discover a l...