Unresectable Huge Sternal and Mediastinal Metastasis of Follicular Thyroid Carcinoma; Radiotherapy as First-line and Palliative Therapy - Nar Demirer, A.; Ayturk, S.; Tutuncu, N. B.; Gursoy, A.; Pak, Y.; Demirag, N. G. (Experimental and Clinical Endocrinology & Diabetes, 2009)