My daughter has been diagnosed with heterogenous thyroid nodule 2 cm L thyroid lobe. Does this automatically mean cancer? She had lab tests that were normal and an ultrasound that showed the nodule. She is scheduled to see a surgeon for a biopsy. Her throat is sore, and swallowing is a problem as she feels it in her throat. She has moods swings and with medicine it seems to help the mood swings.