Table 2.

Immunohistochemical staining result

Case	PAX-8	CK7	GATA3	AMACR	HNF1β	Napsin A	Ki-67 (%)
1	P	P	N	P	N	P	10
2	P	P	N	FP	P	N	1
3	P	P	N	P	P	P	5
4	P	FP	N	FP	P	N	25
5	P	P	N	FP	P	N	70

FP, focal positive; N, negative; P, positive.