Book excerpt: Publisher's Note: Products purchased from 3rd Party sellers are not guaranteed by the Publisher for quality, authenticity, or access to any online entitlements included with the product. The gold standard thoracic surgery reference for 45 years, Shields’ General Thoracic Surgery remains your #1 resource for comprehensive coverage of both open and endoscopic surgical techniques, with commentary from more than 150 global experts in the field. This two-volume masterwork covers all facets of thoracic disease, enhanced with dynamic audio and visual content, colorful graphics, and an authoritative analysis of the world’s literature and electronic data – making this 8th Edition the most extensive and concise collection of practical, complete information available for today’s busy clinician.