Thyroid imaging--mediastinal uptake in thyroid imaging.
D004931:Esophageal Achalasia / Q000378:metabolism; D006801:Humans; D007457:Iodine Radioisotopes / Q000378:metabolism; D008297:Male; D008482:Mediastinum / Q000000981:diagnostic imaging / Q000378:metabolism*; D008875:Middle Aged; D011877:Radionuclide Imaging; D013961:Thyroid Gland / Q000000981:diagnostic imaging*
D007457:Iodine Radioisotopes