Table 1. Sequencing reads of samples.

	Blood sample	Primary tumor sample	Metastatic lesion sample
Bases	3,076,304,580	2,585,696,220	2,800,547,460
Bases aligned to hg19	3,035,541,354	2,562,943,093	2,554,099,283
Bases in target region aligned to hg19	2,502,399,805	2,200,607,212	2,354,921,851
Average depth	62.88	56.86	60.87
Target region coverage (%)	90.45	87.95	87.92
Depth ≥ 4 regions coverage (%)	78.06	76.71	76.91