Colorectal cancer spread. Antemortem symptoms.

1. Severe weight loss and anemia are caused by the proliferation of cancer cells, which consumes a large amount of nutrients in the body and may affect the normal function of the digestive system, resulting in malnutrition. Patients will be extremely weak, skinny, pale, etc. 2. Systemic failure is the embodiment of gradual loss of function of various organs of the body. The patient's physical strength is extremely reduced, almost unable to carry out any activities, can only lie in bed, and can not take care of himself completely. 3. Severe pain may originate from tumor invasion of surrounding tissues, nerves, etc., or multiple metastases lead to multiple pains. This pain is often unbearable and seriously affects the patient's quality of life. 4. Dyspnea may be due to tumor metastasis to the lungs, affecting the normal ventilation function of the lungs, or extreme weakness of the body leading to respiratory muscle weakness. Patients will feel shortness of breath, chest distress, and even orthopnea. 5. Coma may be caused by systemic metabolic disorders, brain metastases, etc., patients are unconscious, slow or unresponsive to external stimuli. In short, the symptoms of patients with colorectal cancer before death are more complex and painful, requiring adequate care and care from medical staff and family members to minimize the pain of patients. At the same time, early diagnosis and active treatment are very important to improve the survival rate and quality of life of patients.