doctor showing a patalogy on model of thyroyd gland. protection, treatment, prevention and patronage health in

background cancer care charity concept disease doctor donation donor endocrine endocrinologist endocrinology figure gland hands health help hope hormone idea illness internal life love magnifier nodule organ pain palm pathology period photo physician prevention professional prophylaxis protection red regulation shape sign surgery surround symbol system thyroid thyroiditis thyroxine transplantation treatment work