cancer screening clinical cytological testing pap smear examination 2019-01-21T20:38:23Z cervical cancer screening Papanicolaou smear procedure pap testing cervical smear procedure A biospecimen collection and staining procedure in which secretions and superficial cells of the cervix are collected and stained with the Papanicolaou stain followed by microscopic examination to identify the presence of abnormal cells. obstetrics and gynecology procedure