Noted your problem. Have you ever had a needle test for on these nodules? Do you experience any voice change ?
The pain in neck area could be due to thyroid nodule
as well as due to other issues in neck area. When there is inflammation in thyroid and if there is a bleeding with in a nodule, one may experience pain. As you mentioned, cancer infiltration to surrounding structures also can cause pain.,But feel relaxed. They are not common. Many thyroid cancers are slow growing and can be effectively treated.Noted that your Mom had thyroid cancer. What type was it? Papillary, Follicular, Medullary ?? Has any genetic tests done anytime on her? I would urge you to meet an endocrinologist
ASAP and arrange for a Thyroid functuion tests, Ultrasound
+/- Nuclear scan as well as needle test. Till then, you may take Panadol