The incidence, diagnosis, and treatment of gynecologic cancer have undergone major changes during the past 20 years. In addition to significant changes in the incidence of the diseases, there has been extensive application of new technologies in the field. - While the incidence of invasive cancers of the cervix has diminished sharply, there has been a marked increase in the number of patients presenting with in situ carcinomas of the cervix. This has resulted primarily from better education but also from the regular use of Papanicolaou screening for early diagnosis. This trend has been...