Despite tremendous recent advances in the treatment of most malignancies, there remain several critical questions for each cancer. This particularly true for the surgical management of solid-organ malignancies. Comparative effectiveness is a relatively new term which encompasses the age-old concepts of how best to treat cancer patients. Comparative effectiveness is defined as the direct comparison of healthcare interventions to determine which work best for which patients when considering the benefits and risks. The Institute of Medicine has defined comparative effectiveness research(CER) as...