The thyroid nodule.
D002277:Carcinoma / Q000175:diagnosis; D006044:Goiter, Nodular / Q000175:diagnosis; D006801:Humans; D008223:Lymphoma / Q000175:diagnosis; D011859:Radiography; D013959:Thyroid Diseases / Q000175:diagnosis*; D013961:Thyroid Gland / Q000000981:diagnostic imaging / Q000502:physiology; D013964:Thyroid Neoplasms / Q000175:diagnosis; D013966:Thyroiditis / Q000175:diagnosis