Cancer Disparities, the latest in the Advances in Cancer Research series, provides invaluable information on the exciting and fast-moving field of cancer research. This latest volume presents a broad introduction to a spectrum of factors contributing to cancer disparities that include ancestral informative markers' role in properly identifying race based on genetic ancestry, basic biological pathways contributing to cancer disparities, epidemiological factors linked to cancer disparities, and social/behavioral factors influencing cancer disparities.