Clinical Study

The Effect of Cold Ischemia Time and/or Formalin Fixation on Estrogen Receptor, Progesterone Receptor, and Human Epidermal Growth Factor Receptor-2 Results in Breast Carcinoma

Table 2

Expression of estrogen receptors in core needle biopsy and excision specimens.

Biopsy
PositiveNegativeTotal

ExcisionPositive1440144
Negative54146
Total14941190