Table 2. Relationship between EGFR mutation and the FISH-positive phenotype in patients with NSCLC.

EGFR mutation	Total	FISH phenotype [cases (%)]		R	P
		Positive	Negative
Presence	66	57 (86)	9 (14)	0.34	<0.001
Absence	139	71 (51)	68 (49)

Abbreviations as in Table 1.