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To Screen or Not to Screen?

John C. McDougall, MD

Arch Intern Med. 1994;154(9):945.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

LUNG CANCER is the most common fatal malignancy for men and women in the United States. In 1991, over 160 000 new cases of lung cancer occurred and lung cancer caused 140 000 deaths.¹ Known risk factors for lung cancer include tobacco smoking, asbestos lung disease, obstructive airway disease,² exposure to radon, and a small number of other occupational and environmental factors.

Patients who have a lung cancer found at an early stage and who are successfully treated with surgery clearly have longer survival than patients who are found to have cancer in advanced stages.³ Extensive studies have been performed in this country and abroad in an attempt to identify what screening tests may result in improved survival of patients who are at risk of lung cancer. Unfortunately, none of the studies, thus far, has demonstrated a decrease in mortality.^4-10 It is not known whether longer . . . [Full Text PDF of this Article]

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