Table 2.

Summary of the EGFR Mutations’ Distribution

	No.	%
Patients with evaluated test	265	100
Patients with EGFR mutation	148	55.8
Single mutation	141	53.2
Deletion, exon 19	68	25.7
L858R	70	26.4
T790M	1	0.37
G719X	1	0.37
L861Q	1	0.37
Combined mutations	7	2.6
L858R, T790M	2	0.74
L858R, L861Q	1	0.37
L858R, S768I	1	0.37
L858R, Deletion	1	0.37
G719X, Deletion	1	0.37
L861Q, S768I	1	0.37
Patients without EGFR mutation	117	44.2