The TNM system of classification for gastrointestinal cancer.
D001005:Anus Neoplasms / Q000145:classification; D003110:Colonic Neoplasms / Q000145:classification; D005770:Gastrointestinal Neoplasms / Q000145:classification* / Q000473:pathology; D006801:Humans; D008207:Lymphatic Metastasis; D009362:Neoplasm Metastasis; D012004:Rectal Neoplasms / Q000145:classification; D013274:Stomach Neoplasms / Q000145:classification