Final answer:
A biopsy is a surgical procedure used to obtain a tissue sample for analysis in a medical laboratory. It is commonly used to diagnose cancer and determine its specific type and prognosis.
Step-by-step explanation:
A biopsy is a surgical procedure in which a tissue sample is removed from the body for analysis in a medical laboratory. It is commonly used to diagnose cancer and determine the specific type of cancer and its prognosis. The tissue sample is examined by a pathologist to identify any abnormal cells or signs of disease. Biopsies can be performed using different techniques, such as fine needle biopsy, which involves using a thin needle to extract a small sample of tissue from the affected area.