Table 4.

Prevalence of EGFR protein expression and gene amplification in present study compared to Western studies

	EGFR protein expression %	EGFR gene amplification %
Present study	1.3	0
Harris et al [4]	16	Not done
Tsutsui et al [5]	36	Not done
Walker & Dearing [6]	36	Not done
Bhargava et al [7]	7	6
Press et al [8]	27.9	Not done