COPD or chronic obstructive pulmonary disease is a group of serious lung diseases that worsen over time, for example, emphysema, chronic bronchitis, and sometimes asthma. The most common symptoms of COPD (which includes emphysema) are shortness of breath, chronic cough, and sputum production. There is no cure for COPD or emphysema.
https://www.medicinenet.com/copd_vs_emphysema_differences_similarities/article.htm

