[Screening studies--is tobacco smoking always recognized as a risk factor?]

There were introduced several screening programs for the early detection of neoplasms. They were devoted for diagnosis of cancer at early stage which gives a greater chance for totall recovery from the disease. The screening protocols include proper taking patient's history and then phisical examination with possibility of taking samples for histological evaluation. In this paper the authors on the example of screening of gynecological cytolotogy would like discuss the problem of lack of proper patients' history especially according the smoking habit.