Chemicals for Cancer

Laboratory shelves are full of drugs that have some cancer-killing properties but can be used only briefly because of their dangerous potency. Last week Philadelphia's Dr. Isidor S. Ravdin, one of the team who operated on President Eisenhower for ileitis, announced that 20 U.S. cancer surgeons will launch a two-year test: they will apply various chemicals, selected for trial by the National Cancer Institute, to the sites of cancer operations. Surgeons have long feared that when they cut around a tumor mass, they might release and spread cancerous cells; the chemicals will be studied to see whether they can check the spread, thus prevent recurrence of the disease.

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