Radioactive iodine in the lymph leaving the thyroid gland.
D007454:Iodides; D007455:Iodine; D007456:Iodine Isotopes; D008196:Lymph; D011868:Radioisotopes; D013961:Thyroid Gland; D014781:Viscera
D007454:Iodides; D007456:Iodine Isotopes; D011868:Radioisotopes; D007455:Iodine
IODINE; IODINE ISOTOPES; LYMPH; THYROID GLAND