SERPINA1 and Buschke-Ollendorff syndrome: Given the tissue-protective and anti-inflammatory properties of AAT, the interest in its influence in early and long-term complications post lung transplant has increased in recent years, also in light of the poor knowledge of complications which involve a high neutrophil recruitment, e.g., ischemia reperfusion injury and BOS [21,22,23,24,25,26,27].