Tumour markers, enzymes and hormonal markers.
D003110:Colonic Neoplasms / Q000201:enzymology; D005770:Gastrointestinal Neoplasms / Q000175:diagnosis / Q000201:enzymology* / Q000378:metabolism; D006728:Hormones / Q000378:metabolism; D006801:Humans; D010190:Pancreatic Neoplasms / Q000378:metabolism*; D012004:Rectal Neoplasms / Q000201:enzymology; D013274:Stomach Neoplasms / Q000201:enzymology
D006728:Hormones