You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Indications for lung transplantation are all Except and explain in detail?
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