Table 2.

The biliary duct drainage site of the caudate lobe.

	Location of the residual gallstones
The drainage site	The Spiegel lobe	The paracaval portion	The caudate process	The Spiegel lobe and paracaval portion	The Spiegel lobe and caudate process
The left hepatic duct	31 (64.6%)	–	–	3	–
The right hepatic duct	5 (10.4%)	1	1	1	1
The convergence of the right and left hepatic duct	3 (6.25%)	–	–	1	–
The right posterior hepatic duct	3 (6.25%)	–	6	–	1
Unclear	6 (12.5%)	3	–	–	–
Total (n = 66)	48 (100%)	4	7	5	2