REVIEWThe changing epidemiology of lung cancer in Europe
Introduction
In the 20th century the incidence and mortality of lung cancer has increased so dramatically in most European countries that it can be considered one of the major epidemics of the former century. Nowadays lung cancer is still death cause number one among cancer [1], [2]. This paper focuses on the incidence of lung cancer, treatment strategies and survival. With respect to incidence, the geographical variation and the time trends, according to histology are described. Changes in treatment are described, according to histology, age and stage of disease. With respect to survival, the geographical variation and time trends are described, also according to histology, age and stage of disease. For explanation of the trends, determinants as exposure to risk factors, changes in diagnostic techniques and new treatment modalities are taken into account.
Section snippets
Patient data
For calculating trends in age-standardised incidence rates in European cancer registries between 1978 and 1997 we used data of the European cancer incidence and mortality (EUROCIM) database. Only registries with data since 1978 were included. Age-adjustment was performed by direct standardisation according to the European Standard Population (ESR: European Standardised Rate) [1].
For calculating variation in survival within Europe data of the EUROCARE database (a concerted action among European
Trends in incidence
The incidence of lung cancer has changed dramatically since the 1970s (Table 2). The age-standardised rate for men in Denmark, Finland, Germany (Saarland), Italy (Varese), the Netherlands, Switzerland and the United Kingdom increased up to the early 1980s and then started to decline. In most southern and eastern European countries the incidence of lung cancer among men increased up to the late 1980s or even up to the late 1990s. In Iceland, Norway and Sweden the incidence among men was
Trends in incidence
The incidence of lung cancer among men has been increasing since the beginning of the 20th century. The incidence of lung cancer among men in Denmark, Finland, Germany (Saarland), Italy (Varese), the Netherlands, Switzerland and the United Kingdom has been increasing dramatically until the early 1980s, whereafter it has been decreasing. The incidence of lung cancer among men in other European countries increased at least until the 1990s. Among women the peak in the incidence of lung cancer had
Future directions
PET scan is a new technology to investigate nodal, as well as distant dissemination, and can be used for staging and follow-up. In this way, mediastinoscopy and unnecessary surgery can be avoided. In a Dutch study about 20% of surgery could be avoided by using the PET scan [83].
Despite the fact that combined chemo-radiotherapy is promising, the exact dose, volume and timing are not yet known. Therefore, studies are needed to address this issue.
Although therapy for lung cancer has made progress
Conclusions
Since the incidence of lung cancer is still very high and is increasing among women and also among men in many countries, and prognosis is still very poor, lung cancer is still death cause number 1 among cancer deaths. Therefore, prevention is important. Although the proportion of smokers has been decreasing in many western countries, the increased proportion of teenage smokers is alarming. The results of an American study suggest that increases in teenage smoking prevalence will lead to
Acknowledgements
We thank the cancer registries of Denmark, UK, Estonia, Finland, France (Bas Rhin, Calvados, Doubs), Germany (Saarland), Iceland, Italy, the Netherlands, Norway, Poland (Cracow, Warsaw), Scotland, Slovenia, Spain, Sweden, Switzerland (Basel and Geneva) and Wales for data collection.
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