1 Verleden GM, Raghu G, Meyer KC, et al. A new classification system for chronic lung allograft dysfunction. J Heart Lung Transplant 2014; 33: 127–133. 2 Sato M, Waddell TK, Wagnetz U, et al. Restrictive allograft syndrome (RAS): a novel form of chronic lung allograft dysfunction. J Heart Lung Transplant 2011; 30: 735–742. 3 Todd JL, Jain R, Pavlisko EN, et al. Impact of forced vital capacity l...