Anatomy / 611 Normal Lung Histology / 612 Preinvasive Lesions / 613 Invasive or Malignant Lesions / 614 Lung Cancer Epidemiology / 617 Screening for Lung Cancer in High-Risk Populations / 619 Solitary Pulmonary Nodule / 621 Metastatic Lesions to the Lung / 622 Primary Lung Cancer-Associated Signs and Symptoms / 623 Lung Cancer Management / 627 Lung Cancer Treatment / 637