Research Perspective on Classic and Novel Histopathologic Risk Factors for Lymph Node Metastasis in T1 Colorectal Cancer: A Systematic Review and Meta-analysis

Division of Colorectal Surgery, Department of Surgery, University of Michigan, Ann Arbor, Michigan Funding/Support: Dr Suwanabol is supported by the Agency for Healthcare Research and Quality (K08 HS026772) and the National Institute on Aging (R03 AG056588). Financial Disclosures: None reported. Correspondence: Pasithorn A. Suwanabol, M.D., M.S., Assistant Professor of Surgery, Division of Colorectal Surgery, Department of Surgery, University of Michigan, 2922 Taubman Center, 1500 E Medical Center Dr, Ann Arbor, MI 48109. E-mail: [email protected]. Twitter: @amysuwanabol