PathologyPics - Question of the Dayhttp://www.pathologypics.comThe latest Question of the Day from pathologypics.com.Copyright 2006 - 2008 Pathologypics.com. All rights reserved.Question of the day for 10/21/2022This immunohistochemical stain from a breast biopsy is for what antigen?<br /><br /><a href='http://pathologypics.com'><img src='http://www.pathologypics.com/Uploads/Thumb/Thumb_Breast%20Pathology%20Question%2065.jpg'</a> <br /><br />a. Progesterone Receptor<br />b. Estrogen Receptor<br />c. Cytokeratin 7<br />d. HER2 NEU<br /><br />Times Answered: 226; Percent Correct: 61%<br />Contributed by PathDoc1510/21/2022http://www.pathologypics.com