A benign neoplasm arising from the thyroid gland. The disease is benign thyroid gland neoplasm (MONDO_0006107). Also known as: benign neoplasm of the thyroid, benign neoplasm of the thyroid gland, benign neoplasm of thyroid, benign neoplasm of thyroid gland, benign neoplasm of thyroid glands, benign thyroid gland tumor, benign thyroid gland tumour, benign thyroid neoplasm.