Lung cancer is responsible for the most cancer-related deaths for both men and women throughout the world. The American Cancer Society estimated that 228,190 new cases of lung cancer in the U.S. were diagnosed and 159,480 deaths due to lung cancer occurred in 2013.
Lung cancer was not common prior to the 1930s, but increased dramatically over the following decades as tobaccosmoking increased. In many developing countries, the incidence of lung cancer is beginning to fall because of education about the dangers of cigarette smoking and effective smoking cessation programs. Nevertheless, lungcancer remains the most common form of cancer in men worldwide and the fifth most common form of cancer in women.
Diagnosis and Prognostic Factors
Prognosis in malignant mesothelioma is difficult to assess consistently because there is great variability in the time before diagnosis and the rate of disease progression. In large retrospective series of pleural mesothelioma patients, important prognostic factors were found to be:[1,2][Level of evidence: 3iiiA]
Prognostic Scoring Systems
Two prognostic scoring systems have been developed for...