The written test results done on tissue removed during biopsy or surgery. It provides information about the cancerous tissue, including its size and location, hormonal status, how far it has spread, surgical margins and how fast it is growing….

A specialist who studies diseases to understand their nature and cause, and who interprets the results of tests (such as a biopsy or blood count)….

A biopsy procedure in which a fine needle is placed into a lump to extract cells.