Epidermal growth factor receptor-targeted immune magnetic liposomes capture circulating colorectal tumor cells efficiently

Table 1 Comparison of gene mutations detected in DNA from circulating tumor cells and that from tissues

Sample ID	Tumor type	Clinical stage	CTC DNA		Tissue DNA
			KRAS Exon 1	KRAS Exon 2	KRAS Exon 1	KRAS Exon 2
1	CRC	IV	WT	WT	WT	WT
2	CRC	III	WT	WT	WT	WT
3	CRC	I	NAP	NAP	WT	WT
4	CRC	IV	WT	WT	WT	WT
5	CRC	IV	WT	WT	WT	WT
6	CRC	II	NAP	NAP	WT	WT
7	CRC	III	WT	WT	WT	WT

CTCs: Circulating tumor cells; CRC: Colorectal cancer; WT: Wild type; NAP: Not amplified.