Extra-thyroidal neck radioactivity.
D006801:Humans; D007457:Iodine Radioisotopes / Q000378:metabolism*; D007668:Kidney / Q000378:metabolism; D008722:Methods; D011851:Radioactivity; D013960:Thyroid Function Tests; D013961:Thyroid Gland / Q000378:metabolism
D007457:Iodine Radioisotopes