How reliable, in terms of oncogenic development, are functional markers of colorectal cancer?
D002272:Carcinoembryonic Antigen / Q000032:analysis*; D003110:Colonic Neoplasms / Q000473:pathology*; D006801:Humans; D007070:Immunoglobulin A / Q000032:analysis*; D007071:Immunoglobulin A, Secretory / Q000032:analysis*; D012004:Rectal Neoplasms / Q000473:pathology*
D002272:Carcinoembryonic Antigen; D007070:Immunoglobulin A; D007071:Immunoglobulin A, Secretory