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Table 3 Frequency of estrogen receptors (ER) expression among studied biopsies at MNH

From: Characterization of hormonal receptors and human epidermal growth factor receptor-2 in tissues of women with breast cancer at Muhimbili National Hospital, Dar es salaam, Tanzania

Estrogen Receptor (ER) Expression

Number of biopsies

Percent

Negative

30

56.6

Positive

23

43.4

Total

53

100.0

  1. Majority (56.6%) of breast cancers were ER negative