Table 4.

Comparison of variation types of different subgroups.

subgroup	type	Variant number	Sum number	Freq	p-value
Primary	CNV	100	196	51	0.304
Metastasis	CNV	24	39	61.5	0.304
Primary	SNV	193	196	98.5	1
Metastasis	SNV	39	39	100	1
Primary	FUS	46	196	23.5	0.27
Metastasis	FUS	13	39	33.3	0.27