Ключевые слова: 4, aid, awareness, background, blue, campaign, cancer, care, chemotherapy, clinic, color, colorful, concept, courage, cure, day, diagnosis, different, disease, doctor, examination, february, flat, health, help, hope, illness, international, lay, many, medical, medicine, month, nobody, object, oncology, prevention, problem, ribbon, ribbons, risk, sickness, solidarity, support, survive, symbol, top, treatment, view, world,