Malignant tumor
Malignant tumor (Malignant tumor) is a tumor that invades the surrounding tissue or causes metastasis in a cell population (tumor) that has become autonomously and uncontrolled proliferation by genetic mutation. is there. Most of the malignant tumor is said to have metastasized to the whole body if it remains untreated and cause the patient to die. It is also commonly called cancer (cancer, cancer, English: Cancer, Germany: Krebs), malignant neoplasm (Malignant neoplasm). The word "cancer" is often used as synonymous with "malignant tumor", and in this paper as well, according to it, the place where there is no need to clearly distinguish between "malignant tumor" and "cancer" is used as the same word There. ...