What is Breast Biopsy? Breast biopsy is a surgical procedure in which the doctor will remove and get a breast growth sample from the affected breast. The breast sample removed will then be subjected for examination for confirmation of presence of cancer cells. The breast tissue sample is extracted by a needle or excision with a surgical blade during a surgical procedure. The sample will be sent to the laboratory for examination and evaluation by the use of a microscope. This is usually performed by a pathologist to confirm if there is non-cancerous or the so-called benign growth or cancerous…