This issue of Clinics in Chest Medicine focuses on Pulmonary Considerations in Solid Organ and Hematopoietic Stem Cell Transplantation. Editors Vivek Ahya and Joshua Diamond have assembled an expert team of authors on topics such as: Overview of HSCT Transplantation and future directions in treatment of hematologic malignancies; Early Pulmonary complications of HSCT and Prognosis of Respiratory FailureLate Pulmonary complications of HSCT; Overview of Lung Transplantation, Heart-lung transplantation, Lung-Liver transplantation and combined HSCT and lung transplantation; Primary graft dysfunction after Lung Transplantation; Extracorporeal life support (ECLS) in lung transplantation; Evaluation and Management of the potential lung donor (including EVLP); Acute rejection & antibody mediated rejection in lung transplantation; Chronic lung allograft dysfunction (CLAD); Airway complications in lung transplantation; PTLD in solid organ and HSCT transplantation; Respiratory Bacterial and Mycobacterial Infections in solid organ transplantation and HSCT; Respiratory Viral infections in solid organ transplantation and HSCT; Respiratory Fungal infections in solid organ and hematopoietic stem cell transplantation; Non-infectious pulmonary complications of Liver, Heart and Kidney Transplantation; Hepatopulmonary syndrome and portal- pulmonary hypertension in liver failure; implications for liver transplantation.