一、什么是癌症癌症(cancer)是发生于各个年龄段、多种器官和组织、导致严重后果的疾病。根据世界卫生组织的统计,2007年全世界有790万人死于癌症,占所有死亡人数的13%,据估计到2030年该数字将上升至1200万。每年花在癌症病人治疗和护理的费用 First, what is cancer? Cancer is a disease that occurs in all age groups, various organs and tissues and causes serious consequences. According to the statistics of the World Health Organization, in 2007, 7.9 million people died of cancer in the world, accounting for 13% of all deaths. It is estimated that by 2030 this number will rise to 12 million. The annual cost of treatment and care for cancer patients