Ectopic Cervical Thymic Tissue Mimicking Parathyroid Hyperplasia: A Rare Occurrence Linked to Graves Disease. - Chatchomchuan, Waralee; Thewjitcharoen, Yotsapon; Nakasatien, Soontaree; Suvikapakornkul, Ronnarat; Keerawat, Somboon; Himathongkam, Thep (JCEM Case Reports, 2024)