Regardless of whether a tumor is benign or malignant, its essence is the uncontrolled abnormal proliferation of cells. This abnormal growth is not only manifested in the tumor itself, but in malignant tumors it is also manifested in the invasion of adjacent normal tissues and metastasis to other parts of the body through blood vessels, lymphatic vessels, and body cavities, thereby producing a series of pathophysiological changes and ultimately leading to death, such as infection, cachexia, massive bleeding, and low immunity. So the reasons why people still cannot live longer after being cured of breast cancer are: ⑴ Combined infection: Due to low immunity, infectious complications are prone to occur, and the original non-pathogenic bacteria, viruses, fungi, etc. in the body become pathogenic factors, aggravating the condition. This infection is often difficult to control, causing high fever, coma, and even death. ⑵ Nutritional depletion causes cachexia: Cancer cells grow rapidly and consume a large amount of nutrients from the human body; patients become seriously ill and reduce their nutrient intake. Over time, anemia, edema, fatigue, and even extreme hunger-induced malnutrition, also known as cachexia, occur, and eventually death occurs due to multi-system failure. ⑶ Damage to important organs: In important organs, cancer cells invade and directly destroy the normal structure of organs, which can cause organ damage and failure, leading to death. The most important organ is the brain, which is the center of breathing and circulation. If cancer blocks important ducts, such as pancreatic cancer and liver cancer causing blockage of the common bile duct, jaundice, liver and digestive dysfunction may occur, and may also lead to death. ⑷ Bleeding: Bleeding in cancer patients can be caused by suppression of bone marrow hematopoiesis, thrombocytopenia, or by direct damage of blood vessels by cancer cells or severe infection, leading to rupture of blood vessels. Large amounts of blood loss can cause death of the patient. ⑸ Metabolic abnormalities: can be caused by metastatic tumors or ectopic secretions. Common ones include hypercalcemia, hypoglycemia, and purine and urate metabolic disorders. Due to metabolic abnormalities, toxins in the body increase and accumulate abnormally, combined with kidney function damage, leading to renal decompensation, and even renal failure and uremia, causing death. Finally, I would like to emphasize that the patient’s own mental state plays a vital role in the outcome of the disease. When most patients hear that they have cancer, their entire mental system is suppressed or even collapses, which accelerates the deterioration of the disease and ultimately leads to death. |
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