<prompt> Indications for lung transplantation are all ExceptCOPDAlpha 1 antitrypsin deficiencyCystic fibrosisCa lung  <response>: The indications span the gamut of lung diseases, but in some respects, the distribution of indications differs among countries. According to aggregate international data, the most common indications in the last few years have been the chronic obstructive pulmonary disease COPD, 29; idiopathic pulmonary fibrosis IPF, 28; cystic fibrosis CF, 16; a1-antitrypsin deficiency emphysema, 3.5; and idiopathic pulmonary aerial hypeension IPAH, 3. Other diseases have made up the balance of primary indications, and retransplantation has accounted for 3 of procedures.Reference: Harrison;s Principles of Internal Medicine; 19th edition; Chapter 320e; Lung Transplantation 