Table S2.

The immunohistochemistry staining status of lung SqCC patients harboring EGFR mutations (n = 18)

Case number	Sex	Age, y	Smoking status	EGFR mutation status	PFS after EGFR-TKI, mo	P63	TTF-1
1	Female	84	Never/light	19del	4.2	+	−
2	Female	67	Never/light	21L858R	1.1	+	−
3	Male	53	Former/current	19del	2.3	+	−
4	Male	64	Former/current	21L858R	1.0	+	+
5	Male	57	Former/current	21L858R	2.3	+	−
6	Male	74	Never/light	19del	2.2	+	−
7	Male	42	Former/current	19del	1.9	+	−
8	Male	72	Former/current	19 DEL	1.1	+	−
9	Male	74	Former/current	19del	1.2	−	−
10	Male	55	Former/current	21L858R	1.1	+	−
11	Female	54	Never/light	19del	23.2	+	—
12	Female	32	Never/light	19del	1.0	+	—
13	Male	60	Former/current	21L858R	NA	+	—
14	Female	39	Never/light	21L858R	NA	+	—
15	Male	57	Former/current	19del	NA	+	—
16	Male	53	Former/current	21L858R	NA	+	—
17	Male	62	Former/current	19del	NA	+	—
18	Male	72	Former/current	21L858R	NA	+	—