1. Significance of distance between tumor and thyroid capsule as an indicator for central lymph node metastasis in clinically node negative papillary thyroid carcinoma patients. Seong CY, Chai YJ, Lee SM, Kim SJ, Choi JY, Lee KE, Hwang KT, Park SW, Yi KH.

2. Novel method to save the parathyroid gland during thyroidectomy: Subcapsular saline injection. Choi JY, Yu HW, Bae IE, Kim JK, Seong CY, Yi JW, Chai YJ, Kim SJ, Lee KE.

3. Analysis for postoperative adhesion after thyroid surgery. Korean J Endocr Surg. 2016 Dec Kim YM, Kim SJ, Yi JW, Seong CY, Kim JK, Yu HW, Chai YJ, Choi JY, Lee KE.

4. Clinicopathologic features in minimally invasive follicular thyroid cancer patients with distant metastasis. Korean J Endocr Surg. 2016 Dec Ju YW, Kim SJ, Chai YJ, Yi JW, Seong CY, Kim JK, Yu HW, Choi JY, Lee KE.

5. Upregulation of the ESR1 Gene and ESR Ratio (ESR1/ESR2) is Associated with a Worse Prognosis in Papillary Thyroid Carcinoma: The Impact of the Estrogen Receptor α/β Expression on Clinical Outcomes in Papillary Thyroid Carcinoma Patients. Yi JW, Kim SJ, Kim JK, Seong CY, Yu HW, Chai YJ, Choi JY, Lee KE.

6. Comparison of Immunohistochemistry and Direct Sequencing Methods for Identification of the BRAFV600E Mutation in Papillary Thyroid Carcinoma. im JK, Seong CY, Bae IE, Yi JW, Yu HW, Kim SJ, Won JK, Chai YJ, Choi JY, Lee KE.

7. Expression of placenta growth factor in colorectal carcinomas. J Korean Soc Coloproctol. 2012 Dec 28(6):315-20 Sung CY, Son MW, Ahn TS, Jung DJ, Lee MS, Baek MJ.

8. Clinical characteristics of papillay thyroid carcinoma arising from the pyramidal lobe. Ann Surg Treat Res. 2017 Mar. Yoon SG, Yi JW, Seong CY, Kim JK, Kim SJ, Chai YJ, Choi JY, Lee KE.