Table 2.

Frequencies of combination metastasis (n=1347)

metastatic site		number	Percentage (%)
One site	Lung	511	37.9
	Bone	225	16.7
	Liver	168	12.5
	Brain	21	1.6
Two sites	Lung and liver	123	9.1
	Lung and bone	108	8.0
	Lung and brain	19	1.4
	Liver and bone	59	4.4
	Liver and brain	2	0.1
	Bone and brain	12	0.9
Three sites	Lung and liver and bone	78	5.8
	Lung and liver and brain	6	0.4
	Lung and bone and brain	9	0.7
	Liver and bone and brain	1	0.1
Four sites	all	5	0.4