Stock Photo: Chest x-ray of a 76 year old man with COPD, chronic obstructive pulmonary disease, Chest x-ray of a 76 year old man with a history of smoking and COPD

Stock Photo: 4297-1243 Chest x-ray of a 76 year old man with COPD, chronic obstructive pulmonary disease, Chest x-ray of a 76 year old man with a history of smoking and COPD