3-year survival of lung cancer patients in the general population and in those with a prior diagnosis of chronic obstructive pulmonary disease (COPD). 3-year survival of lung cancer patients in the general population and in those with a prior diagnosis of chronic obstructive pulmonary disease (COPD). COPD is a negative predictor of survival in lung cancer patients. Reproduced from [43] with permission from the publisher. Arnaud Cavaillès et al. Eur Respir Rev 2013;22:454-475 ©2013 by European Respiratory Society