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Table 2 Immunohistochemical findings and Ki67 index in EGFR positive breast cancer cases

From: Very low prevalence of epidermal growth factor receptor (EGFR) protein expression and gene amplification in Saudi breast cancer patients

Case No ER PR HER 2 CK 5/6 EGFR Ki67 index
1 -ve -ve -ve +ve +ve (2+) High (100%)
2 -ve -ve -ve +ve +ve (3+) High (100%)
3 -ve -ve -ve -ve +ve (2+) High (70%)