Table 2. Fisher's exact test to determine the clonality between the 1st and the 2nd tumors by evaluating the concordance of their somatic SNVs.

Patient ID	Number of mutationsA			P value	FDR
	Tumor 1	Tumor 2	Shared
1	40	46	3	0.46	0.68
2	63	38	7	0.05	0.10
3	91	81	4	0.99	0.99
4	28	185	7	0.56	0.68
5	70	95	64	8.80E-44	5.28E-43
6	47	89	41	7.36E-29	2.21E-28

^Aonly exonic mutations were included.

1-4, BBC patients; 5-6,metastatic breast cancer patients.