Pulmonary diseases are a group of disorders that affect the lungs and other parts of the respiratory system. Some of the major causes of pulmonary diseases include infection, tobacco smoke and other forms of air pollution. They can be classified into several types, such as asthma, lung cancer, chronic obstructive pulmonary disease (COPD), pneumonia and pulmonary fibrosis. Several diagnostic tests can be used to diagnose pulmonary diseases, including biopsy of the lung or pleura, blood test, bronchoscopy, chest X-ray, CT scan, pulmonary function test, etc. The treatment of pulmonary disorders depends on the type of disease. Pulmonary rehabilitation, lung transplant and oxygen therapy are some common treatment options available for the clinical management of pulmonary fibrosis. This book outlines the diagnosis and treatment of pulmonary diseases in detail. A number of latest researches have been included to keep the readers up-to-date with the major concepts in this area of study. With state-of-the-art inputs by acclaimed pulmonologists, this book targets medical students and professionals.