Signs of advanced colon cancer one month before death may show systemic manifestations such as fatigue, emaciation, fever and malignant fluid, and there may also be symptoms such as blood in stool, abdominal pain, confusion and so on. 1. Signs of advanced colon cancer one month before death may show systemic manifestations of advanced cancer, such as fatigue, emaciation, fever and malignant fluid, which belong to the manifestations of tumor consumption. Patients with advanced stage may suffer from intestinal obstruction, which may be manifested by reduced feeding, fatigue and emaciation, and some of them may also suffer from oncogenic fever. 2. One-month signs of dying in advanced stage of colon cancer may show the aggravation of distant metastasis of colon, with the progress of disease, there may be blood in stool, abdominal pain and discomfort, and some may have vomiting of coffee-like substance, which are also common symptoms of advanced stage of colon cancer. 3. Late stage of colon cancer may show symptoms of gradual mental indifference or even delirium. If there are any uncomfortable symptoms in the late stage of colon cancer, it is recommended to go to the hospital for diagnosis and treatment, so as to avoid delaying the condition.