Chemicals have made a substantial contribution to cancer therapy during the past 20 years. In 1954, one of every four patients afflicted with cancer could expect to have his survival extended for 5 years or more by effective therapy. Today, the proportion of patients so “cured” has risen to one in three and is still climbing, even if slowly. A substantial fraction of this nearly 30 percent increase in the cure rate, which amounts to 55,000 additional lives saved each year, can be attributed to advances in cancer chemotherapy.
KeywordsChronic Lymphocytic Leukemia National Cancer Institute Antitumor Agent Vinca Alkaloid Nitrogen Mustard
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