2026 Sentinel lymph node biopsy utilization and positivity in veterans with cutaneous melanoma: A comparative analysis of the VA Cancer Registry and the SEER Program. Daniel Y. Kim, Susan M. Swetter, Linden Huhmann, Jacqueline M. Ferguson, Kimberly Breglio, Allyson C. Spence, Lee Wheless, Mary T. Brophy, Nhan V. Do, Nathanael Fillmore‡, Rebecca I. Hartman‡‡ Equal senior authorship Journal of the American Academy of Dermatology U.S. Veterans and VA Data Cutaneous Melanoma VA Cancer Registry SEER Database Sentinel Lymph Node Biopsy