A biopsy is a procedure in which your doctor removes a cell or tissue sample from your body. Then, a pathologist checks the sample under a microscope for signs of disease or other problems, such as cancer. In this video, learn how a biopsy works, what to expect, and whether they’re painful.
National Breast Cancer Foundation. (n.d.). Breast biopsy.
National Cancer Institute. (n.d.). NCI dictionary of cancer terms — biopsy.
Urology Care Foundation. (n.d.). What is a biopsy?