Table 1.

HER2 overexpression in different neoplasms

AUTHORS	TYPE OF NEOPLASMS	IHC HER2-OVEREXPRESSION (%)
Slamon et al. 6	Breast cancer	30%
Slamon et al. 7	Ovarian cancer	25-30%
Hofmann M et al. 8	Gastric cancer	7-34%
Santin et al.9	Endometrial cancer	10%
Liu et al.10	Lung cancer	9%
Langner et al. 11.	Urinary tract transitional cells carcinoma	0-10%