Table 1.

The inflow site of top pulmonary veins

	Number of patients (%)		κ
Right side	n = 1437
Right top pulmonary vein	131 (9.1)		0.88
Inflow site
IPV	85 (64.9)
	IPV (without branches of V6)	19 (14.5)
	IPV (with branches of V6)	66 (50.4)
LA	29 (22.1)
	LA (without branches of V6)	16 (12.2)
	LA (with branches of V6)	13 (9.9)
SPV	16 (12.2)
	SPV (without branches of V6)	9 (6.9)
	SPV (with branches of V6)	7 (5.3)
Other	1 (0.8)
Left side	n = 1454
Left top pulmonary vein	42 (2.9)		0.43
Inflow site
IPV	42 (100.0)
	IPV (without branches of the V6)	14 (33.3)
	IPV (with branches of the V6)	25 (59.5)
	Other courses to IPV	3 (7.2)

IPV inferior pulmonary vein, LA left atrium, SPV superior pulmonary vein