Impact of age and medical comorbidity on adjuvant treatment outcomes for stage III colon cancer : a pooled analysis of individual patient data from four randomized , controlled trials

Impact of age and medical comorbidity on adjuvant treatment outcomes for stage III colon cancer: a pooled analysis of individual patient data from four randomized, controlled trials D. G. Haller1*, M. J. O’Connell2, T. H. Cartwright3, C. J. Twelves4, E. F. McKenna5, W. Sun6, M. W. Saif7, S. Lee5, G. Yothers8 & H.-J. Schmoll9 Abramson Cancer Center at the University of Pennsylvania, Philadelphia; National Surgical Adjuvant Breast and Bowel Project (NSABP), Pittsburgh; Department of Oncology, Florida Cancer Affiliates, Ocala, USA; Leeds Institute of Cancer and Pathology and St James’s University Hospital, Leeds, UK; US Medical Affairs, Genentech, Inc., South San Francisco; University of Pittsburgh Cancer Institute, Pittsburgh; Tufts University School of Medicine, Boston; Biostatistical Center and University of Pittsburgh Graduate School of Public Health Department of Biostatistics, Pittsburgh, USA; University Clinic, Martin Luther University, Halle, Germany