During the original show up through the 1970s, the show primarily covered Dr. Steve Hardy (John Beradino) and his friend, Nurse Jessie Brewer (Emily McLaughlin).
A biopsy is the removal of a sample of tissue or cells so that they can be examined by a pathologist, usually under a microscope. A specialist trained to examine a sample of tissue for signs and extent of disease under a microscope is called a pathologist.
A breast biopsy is the removal of breast tissue for examination by a pathologist. This can be accomplished surgically or by extracting, or withdrawing, tissue through a needle. A biopsy is recommended when a significant abnormality is found by physical examination or an imaging test.