RT Journal A1 Chang DC T1 Pushing the envelope of disparity research to find modifiable factors: Comment on “residential segregation and lung cancer mortality in the united states” JF JAMA Surgery JO JAMA Surgery YR 2013 FD January 1 VO 148 IS 1 SP 42 OP 43 DO 10.1001/jamasurgery.2013.405 UL http://dx.doi.org/10.1001/jamasurgery.2013.405 AB Traditionally, clinical research has focused on patient factors, such as age, sex, comorbidities, and cancer staging. The fundamental problem with focusing on patient factors is that they are impossible to change. Herein lies the futility that many feel about disparity research. If poor outcomes are associated with certain ethnoracial groups, what can we do about it? We can't possibly change someone's race!