Table 1.

Number and Percentage of Samples positive for p63, TTF1 and EGFR in different lesions

Marker protein	Different Lesions of lung
	Adenocarcinoma (n-33)		Squamous cell carcinoma (n-23)		Non small cell carcinoma (n-25)		Small cell carcinoma (n-9)
	Positive # (%)	Negative # (%)	Positive # (%)	Negative # (%)	Positive # (%)	Negative # (%)	Positive # (%)	Negative # (%)
P63	5 (15.2)	24 (72.7)	17 (73.9)	4 (17.4)	9 (36) *	11 (44)	9 (100)	0
TTF1	25 (75.8)	4 (12.1)	5 (21.7)	16 (69.6)	10 (40) †	10 (40)	0	9 (100)
Both P63 & TTF1	4 (12.1)	0	2 (8.7)	0	5 (20)‡	0	0	0
EGFR	10 (30.3)	1 (3.03)	5 (21.73)	0	4 (16)	1 (4)	1 (11.1)	1 (11.1)
EGFR & p63	1 (3.03)	1 (3.03)	12 (52.17)	1 (4.35)	5 (20)	1 (4)	0	5 (55.6)
EGFR & TTF1	15 (45.46)	2 (6.06)	3 (13.04)	0	8 (32)	2 (8)	0	0
EGFR, P63 & TTF1	1 (3.03)	2 (6.06)	1 (4.35)	1 (4.35)	2 (8)	2 (8)	1 (11.1)	1 (11.1)

*NSCLC favors SCC, ^†NSCLC favors ADC, ^‡NSCLC -NOS