Ключевые слова: anatomy, background, biology, bowel, cancer, care, caution, cell, chemotherapy, colitis, colon, colonoscopy, colorectal, concept, cure, digestion, digestive, disease, gene, hand, heal, health, human, illness, intestine, isolated, medical, medicine, no, notice, organ, pain, painted, people, person, polyps, prevention, rectal, science, sickness, sign, stop, surgery, symbol, system, tissue, treatment, tumor, warning, white,