The valves of the heart and veins are similar in that they both prevent the backflow of blood act as propellers to move blood forward prevent blood from flowing too quickly are made of rigid cartilage

The patient had a wire localization performed by radiology and was taken to the operating room. under local anesthesia of the left breast was prepped and draped in a sterile manner. a breast line incision was made through the entry point of the wire, and a core of tissue surrounding the wire approximately 1x2cm was removed