Figure 4

Estrogen receptor immunohistochemistry of breast tissues (× 400) fixed by (a) 24-h routine formalin fixation and (b) 5-min ultrasound-facilitated formalin fixation.

Estrogen receptor immunohistochemistry of breast tissues (× 400) fixed by (a) 24-h routine formalin fixation and (b) 5-min ultrasound-facilitated formalin fixation.