Colon Cancer Diagnosis My Friend Has Colon Cancer, Spread To The Liver And Surrounding Lymph Nodes.?

My friend has colon cancer, spread to the liver and surrounding lymph nodes.? - colon cancer diagnosis

Was one years after diagnosis. The chemotherapy was stopped at a certain point, because the cancer had decreased. Now, recent analysis shows that the cat has begun to grow again and again chemotherapy. Is this normal? Chemotherapy and stopped again, and how often they do this? I want facts. Or not this time, chemotherapy is emotional? Thank you for your attention.