This issue of Clinics in Geriatric Medicine, guest edited by Drs. Sidney S. Braman and Gwen S. Skloot, is devoted to Pulmonary Disease in the Aging Patient. Articles in this issue include: The Effects of Aging on Lung Structure and Function; Immunosenescence and the Lungs; Epidemiology of Lung Disease in the Elderly; The Evaluation of Dyspnea in the Elderly; Asthma in the Elderly; COPD in the Elderly Patient; Pulmonary Vascular Diseases in the Elderly; Granulomatous Lung Diseases in the Elderly; Lung Cancer in the Older Patient; Sleep Disorders in the Elderly; Idiopathic Pulmonary Fibrosis in the Older Patient; and Co-morbidities of Lung Disease in the Elderly.