thyroid cancer, unhealthy thyroid with inflammation and lump.

healthy unhealthy thyroid gland organ design hand thyroid cancer gland goiter vector tumor lump neoplasm parathyroid trachea swelling hyperthyroidism hypothyroidism thyroglobulin anatomical hormone design neck healthy education poster health medical body disease illness biology anatomy sickness human organ tissue iodine awareness function larynx throat endocrinologist secretion health care neoplasia endocrine system white background infographic elements check disease