Gastrointestinal malignancies in black Americans.
D044383:Black People; D003110:Colonic Neoplasms / Q000453:epidemiology; D004938:Esophageal Neoplasms / Q000453:epidemiology; D005770:Gastrointestinal Neoplasms / Q000453:epidemiology*; D006801:Humans; D008113:Liver Neoplasms / Q000453:epidemiology; D010190:Pancreatic Neoplasms / Q000453:epidemiology; D012004:Rectal Neoplasms / Q000453:epidemiology; D013274:Stomach Neoplasms / Q000453:epidemiology; D014481:United States; D001741:Black or African American