<prompt> Answer this question truthfullyWhat is a breast cancer biopsy being performed in a sandbox?  <response>: <reason> During a biopsy, tissues or cells are removed from the body so they can be tested in a laboratory. The pathology report from the laboratory will confirm whether or not cancer cells are present in the sample. A breast biopsy is the only definite way to diagnose breast cancer. Most biopsy samples taken from breast lumps are found to be benign non-cancerous. The type of biopsy will depend on whether the lump can be felt palpable or not non-palpable. Ultrasound or computed tomography CT scan may be used to guide the biopsy. The types of biopsy that may be used are:fine needle aspiration FNA core needle biopsy stereotactic core needle biopsy wire localization biopsy surgical biopsy to remove part of or all of a breast lump or abnormal areaA biopsy is also done if inflammatory breast cancer is suspected, often including a skin biopsy. A biopsy of the nipple is taken if the doctor suspects Paget disease of the nipple. 