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Oncology

Mace Rothenberg, MD; Bruce A. Chabner, MD
JAMA. 1990;263(19):2667-2668. doi:10.1001/jama.1990.03440190123065.
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Over the past few years, advances have been made in the prevention, detection, and treatment of many of the most common cancers. Some of these advances have direct clinical application and are expected to save or lengthen the lives of thousands of patients with cancer each year. Important achievements have been made in the laboratory as well, where scientists have gained valuable insight into the molecular and genetic events that cause malignant transformation of normal cells. It is likely that the practice of oncology in the 1990s will incorporate much of this knowledge into the optimal treatment of patients with cancer.

Colon cancer strikes about 110 000 individuals per year in the United States.1 Of these, approximately 21000 have tumor that involves regional lymph nodes (ie, Dukes' stage C) at the time of diagnosis. Although all visible tumor may be removed by surgery, 50% to 60% of individuals with

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The American Medical Association is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. The AMA designates this journal-based CME activity for a maximum of 1 AMA PRA Category 1 CreditTM per course. Physicians should claim only the credit commensurate with the extent of their participation in the activity. Physicians who complete the CME course and score at least 80% correct on the quiz are eligible for AMA PRA Category 1 CreditTM.
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