恶性肿瘤,也通俗地称为癌症,或笼统地称为肿瘤,是严重威胁人类生命健康的一类疾病。由于其病因复杂、诊治难度大、病情发展迅速、死亡率高、无法根治等特点,导致人们常常是谈“癌”色变。恶性肿瘤分布广泛,无论东西南北,不分男女老幼,都可能患上此症。 Malignant tumors, also commonly referred to as cancers, or generally called tumors, are a group of diseases that are a serious threat to the health of human beings. Because of its complex etiology, diagnosis and treatment of difficult, rapid progression of the disease, high mortality, can not cure and other characteristics, leading to people often talk about “cancer” discoloration. Malignant tumors are widely distributed, both east, west, north and south, regardless of men, women and children, may suffer from this disease.