CU of ether mask being applied to woman patient's mouth. Sequence in operating room showing doctor and nurses preparing for operation, anesthetist preparing woman patient on table, doctor operating, nurses attending, doctor handing steel tray to nurse to be brought to pathology, doctor and nurses waiting for results of pathology test. CUs of clocks on wall. Shots of nurse bringing specimen to pathologist in laboratory, of pathologist cutting up specimen for study, of woman technician preparing specimen for tests.