important variations of prior cases, updated diagnostic and management strategies, and new pathological entities. Cases are strategically designed to simulate pathologies encountered in day-to-day practice, increase knowledge, and provide robust exam preparation. For maximum ease of self-assessment, each case begins with the clinical presentation on the right-hand page; study that and then turn the page for CT and chest radiograph findings, differential diagnoses with the definitive diagnosis, essential facts, pearls and pitfalls, and more.