COVID-19 Updates: Windsong is here for you during this difficult time. Protecting your health is our top priority.
Hours are subject to change. Please call 716.631.2500 prior to your visit.
Although breast cancer screening services have been put on hold, a number of diagnostic imaging, interventional, breast care and genetic services continue in an outpatient environment.  Click here to learn more.



Describes cells that do not have a protein to which the hormone estrogen will bind. Cancer cells
that are ER- do not need estrogen to grow, and usually do not stop growing when treated with
hormones that block estrogen from binding. Also called estrogen receptor negative.

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