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癌症是常见多发病。根据我国癌症普查:男性癌症死亡率84.35/10万仅次于呼吸系统病,为第二位死因;女性癌症死亡率63.12/10万仅次于呼吸系统疾病和心血管疾病,占第三位。人类多年来,从三十余万种矿物、动物、植物和人工合成的多种化合物中筛选出一批具有抗癌活性的药物,而临床使用的仅有60多种。化疗已日益成为癌症治疗的重要手段之一。美国国立癌症研究所指出:主要由于进攻性治疗,特别是化疗的进展,使美国十种成人癌症的五年治愈率提高到41%,并可望在五年内达到
Cancer is a common disease. According to China’s Cancer Surveys, the cancer death rate of males was 84.35 / 100 000, second only to respiratory diseases, the second cause of death. The female cancer death rate was 63.12 / 100 000, second only to respiratory diseases and cardiovascular diseases, accounting for the third place. Over the years, human beings have screened a batch of anti-cancer drugs from more than 300,000 kinds of minerals, animals, plants and synthetic compounds, while only over 60 are used clinically. Chemotherapy has increasingly become an important means of cancer treatment. According to the National Cancer Institute, the five-year cure rate for 10 adult cancers in the United States is raised to 41%, mainly due to advances in aggressive treatment, especially chemotherapy, and is expected to be achieved in five years