The generals in medicine's research war on cancer met last week in Chicago and claimed tentative gains along two strategically important roads:
A Hint from Hormones. Drs. Konrad Dobriner and Cornelius P. Rhoads of Manhattan's Memorial Hospital reported progress on Memorial's pet project—the search for the long-suspected link between hormones and cancer. After five years of extracting and peering, the doctors recently isolated a new hormonelike substance, called "Compound 18," that appears in the urine of almost all cancer patients, and almost never in normal urine. "18" may some day prove helpful in...