Table 3. T790M mutant abundance of different samples from the same patient by ddPCR.

Patient	T790M mutant abundance (%)
	T	H	PB
A	0	−	0
B	58.2	−	10.8
C	14.9	−	0
D	−	0	0
E	−	6.9	1.1

H, hydrothorax; PB, peripheral blood; T, tissue; ddPCR, droplet digital polymerase chain reaction.