Ch. 30 provides a comprehensive overview of various lower respiratory tract diseases, ranging from common infections like bronchitis and pneumonia to more complex conditions such as tuberculosis, lung abscesses, pleural effusions, pulmonary hypertension, and lung cancer. It details the pathophysiology, clinical manifestations, diagnostic approaches, and interprofessional and nursing management for each disorder. The document also addresses environmental lung diseases and the considerations surrounding lung transplantation for end-stage pulmonary conditions, emphasizing the importance of prevention, early detection, and patient education.