Table 1.

Summary of genetic mutations in CSF and blood plasma samples (January 2017)

Sample	Gene	Mutation type	Mutation result	Abundance (%)
CSF	EGFR	Non-frameshift deletion mutation	NM_005228.3(EGFR):c.2235_2249delGGAATTAAGAGAAGC(p.Glu746_Ala750del)	3.23
	EGFR	Missense mutation	NM_005228.3(EGFR):c.2369C>T(p.Thr790Met)	3.18
	EGFR	Missense mutation	NM_005228.3(EGFR):c.2389T>A(p.Cys797Ser)	3.11
Blood plasma	EGFR	Missense mutation	NM_005228.3(EGFR):c.2369C>T(p.Thr790Met)	39.10
	EGFR	Non-frameshift deletion mutation	NM_005228.3(EGFR):c.2235_2249delGGAATTAAGAGAAGC(p.Glu746 Ala750del)	30.86
	EGFR	Missense mutation	NM_005228.3(EGFR):c.2389T>A(p.Cys797Ser)	15.95

CSF cerebrospinal fluid, EGFR epidermal growth factor receptor gene