Antecedent thoracic (incl. resectional) and/or acrdiovascular surgery. Including, but not limited to CABG can be associated with a plethora of early, middterm and/or late mechanical pulmonary, pleural or neuromuscular complications. Pneumonectomy is known to induce the specific complications listed under XIaa, ab. Reviews at PMID 11796900, 16973775, 21546734