This patient support community is for discussions relating to thyroid issues, goiter, Graves disease, Hashimoto's Thyroiditis, Human Growth Hormone (HGH), hyperthyroid, hypothyroid, metabolism, pituitary gland, cancers, thyroiditis, and thyroid Stimulating Hormone (TSH).
You don't mention if you had all your thyroid out. It could just be scarring inside which can get a bit lumpy, but only the doctor will know by feeling it for you. Don't wait for advice from the forum. Best to get it checked professionally.