Technical Bases of Multi-Slice CT; Radiation Exposure in Thoracic CT; Strategies for Dose Reduction and Improved Image Quality in MSCT; Contrast Medium Injection Technique; Multi-Detector-Row CT of the Airways; MDCT in Diffuse Lung Disease; Pulmonary Infections: Imaging with MDCT; Multidetector CT Evaluation of Acute Respiratory Distress Syndrome; CT Screening for Lung Cancer; MDCT Screening for Lung Cancer: Current Controversies; MDCT Imaging of Focal Lung Disease; MDCT Strategies for the Non-Invasive Work-Up of the Indeterminate Pulmonary Nodule; Transthoracic Needle Biopsy of Lung Nodules.