1. 1) Rosai, J., Albores, S. J., Asioli, S., Baloch, Z. W., Bogdanova, T., Chen, H., et al. Papillary thyroid carcinoma. In : Lloyd, R.V., Osamura, R. Y., Kloppel, G., Rosai, J., eds. WHO classification of tumours of endocrine organs. Lyon : IARC Press ; 2017. 81-91.
2. 2) Vassilopoulou-Sellin, R., Sneige, N. Pleural effusion in patients with differentiated papillary thyroid cancer. South Med J 1994 ; 87 : 1111-1116.
3. 3) Tomoda, C., Ogimi, Y., Saito, F., Masaki, C., Akashi, J., Matsuzu, K., et al. Outcome and characteristics of patients with malignant pleural effusion from differentiated thyroid carcinoma. Endocr J 2016 ; 63 : 257-261.
4. 5) Olson, M. T., Nuransoy, A., Ali, S. Z. Malignant pleural effusion resulting from metastasis of thyroid primaries : A cytomorphological analysis. Acta Cytol 2013 ; 57 : 177-183.
5. 6) Sakamoto, R. I., Sumida, L. C., Lum, C. A., Tauchi-Nishi, P. S. Recurrent papillary thyroid carcinoma with pleural metastasis diagnosed by effusion cytology : a report of cases with clinicopathologic correlation. Hawaii J Med Public Health 2015 ; 74 : 51-56.