This book presents discussions of symptoms caused by common lung diseases.Physiologic reasons for production of symptoms are presented in detail for health care workers and made understandable also to laymen having interests in lung diseases. Symptoms are correlated with appropriate diseases. X-rays are used to emphasize key points.Readers will be able to identify lung diseases, such as pneumothorax and pleural effusion, on chest x-rays. Treatment of symptoms and diseases are also discussed.