Lung Cancer Pathophysiology, Etiology, and Risk Factors
The pathophysiology of lung cancer is complex and not fully understood. Due to advances in research, medical experts continue to gain deeper insights about the etiology and risk factors associated with the development of lung cancer. Examples of these factors may include cigarette smoking and occupational exposure to radon and asbestos, which disrupt the cell cycle and promote carcinogenesis. Read more.

Lung Cancer Clinical Presentation
The clinical presentation associated with lung cancer may vary from patient to patient, and in many cases, individuals are asymptomatic during the early stages. At diagnosis, the vast majority of patients have advanced disease. The frequent absence of symptoms until lung cancer is locally advanced or metastatic disease is present emphasizes the urgent need to expand routine screening efforts in those at high risk. Read more.