The early detection of cancer.
D000951:Antigens, Neoplasm / Q000032:analysis; D002272:Carcinoembryonic Antigen / Q000302:isolation & purification; D004586:Electrophoresis; D005326:Fetal Proteins / Q000032:analysis; D006801:Humans; D008264:Macrophages / Q000276:immunology; D008403:Mass Screening; D008722:Methods; D009362:Neoplasm Metastasis; D009369:Neoplasms / Q000175:diagnosis*
D000951:Antigens, Neoplasm; D002272:Carcinoembryonic Antigen; D005326:Fetal Proteins